Home / 39,508.79-59,250.85-13,207.38

Finding the Fourth Proportional to 39,508.79, 59,250.85 and 13,207.38

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Solution

The fourth proportional to 39,508.79, 59,250.85 and 13,207.38 is: 19,806.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,508.79 : 59,250.85 = 13,207.38 : x
  2. Step 2: Convert to fraction form
    39,508.79/59,250.85 = 13,207.38/x
  3. Step 3: Cross multiply
    39,508.79x = 59,250.85 × 13,207.38
  4. Step 4: Simplify right side
    39,508.79x = 782,548,491.27
  5. Step 5: Solve for x
    x = 782,548,491.27/39,508.79
  6. Step 6: Final answer
    x = 19,806.95

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1.5x scale

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.