Home / 38,001.12-52,441.26-21,006.54

Finding the Fourth Proportional to 38,001.12, 52,441.26 and 21,006.54

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Solution

The fourth proportional to 38,001.12, 52,441.26 and 21,006.54 is: 28,988.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,001.12 : 52,441.26 = 21,006.54 : x
  2. Step 2: Convert to fraction form
    38,001.12/52,441.26 = 21,006.54/x
  3. Step 3: Cross multiply
    38,001.12x = 52,441.26 × 21,006.54
  4. Step 4: Simplify right side
    38,001.12x = 1,101,609,425.84
  5. Step 5: Solve for x
    x = 1,101,609,425.84/38,001.12
  6. Step 6: Final answer
    x = 28,988.87

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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.