Home / 38,001.62-52,440.18-21,004.85

Finding the Fourth Proportional to 38,001.62, 52,440.18 and 21,004.85

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Solution

The fourth proportional to 38,001.62, 52,440.18 and 21,004.85 is: 28,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,001.62 : 52,440.18 = 21,004.85 : x
  2. Step 2: Convert to fraction form
    38,001.62/52,440.18 = 21,004.85/x
  3. Step 3: Cross multiply
    38,001.62x = 52,440.18 × 21,004.85
  4. Step 4: Simplify right side
    38,001.62x = 1,101,497,852.67
  5. Step 5: Solve for x
    x = 1,101,497,852.67/38,001.62
  6. Step 6: Final answer
    x = 28,985.55

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Half scale
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Double scale
Find fourth proportional to 38,002.62, 52,441.56 and 21,005.85
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.