Home / 38,007.69-52,450.67-21,240.69

Finding the Fourth Proportional to 38,007.69, 52,450.67 and 21,240.69

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Solution

The fourth proportional to 38,007.69, 52,450.67 and 21,240.69 is: 29,312.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,007.69 : 52,450.67 = 21,240.69 : x
  2. Step 2: Convert to fraction form
    38,007.69/52,450.67 = 21,240.69/x
  3. Step 3: Cross multiply
    38,007.69x = 52,450.67 × 21,240.69
  4. Step 4: Simplify right side
    38,007.69x = 1,114,088,421.76
  5. Step 5: Solve for x
    x = 1,114,088,421.76/38,007.69
  6. Step 6: Final answer
    x = 29,312.18

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Half scale
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Double scale
Find fourth proportional to 38,008.69, 52,452.05 and 21,241.69
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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.