Home / 57,537.29-86,306.16-20,097.21

Finding the Fourth Proportional to 57,537.29, 86,306.16 and 20,097.21

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Solution

The fourth proportional to 57,537.29, 86,306.16 and 20,097.21 is: 30,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,537.29 : 86,306.16 = 20,097.21 : x
  2. Step 2: Convert to fraction form
    57,537.29/86,306.16 = 20,097.21/x
  3. Step 3: Cross multiply
    57,537.29x = 86,306.16 × 20,097.21
  4. Step 4: Simplify right side
    57,537.29x = 1,734,513,307.78
  5. Step 5: Solve for x
    x = 1,734,513,307.78/57,537.29
  6. Step 6: Final answer
    x = 30,145.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.