Home / 39,508.78-59,250.86-13,207.38

Finding the Fourth Proportional to 39,508.78, 59,250.86 and 13,207.38

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Solution

The fourth proportional to 39,508.78, 59,250.86 and 13,207.38 is: 19,806.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,508.78 : 59,250.86 = 13,207.38 : x
  2. Step 2: Convert to fraction form
    39,508.78/59,250.86 = 13,207.38/x
  3. Step 3: Cross multiply
    39,508.78x = 59,250.86 × 13,207.38
  4. Step 4: Simplify right side
    39,508.78x = 782,548,623.35
  5. Step 5: Solve for x
    x = 782,548,623.35/39,508.78
  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.