Home / 39,139.67-58,709.30-9,557.66

Finding the Fourth Proportional to 39,139.67, 58,709.30 and 9,557.66

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Solution

The fourth proportional to 39,139.67, 58,709.30 and 9,557.66 is: 14,336.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,139.67 : 58,709.30 = 9,557.66 : x
  2. Step 2: Convert to fraction form
    39,139.67/58,709.30 = 9,557.66/x
  3. Step 3: Cross multiply
    39,139.67x = 58,709.30 × 9,557.66
  4. Step 4: Simplify right side
    39,139.67x = 561,123,186.90
  5. Step 5: Solve for x
    x = 561,123,186.90/39,139.67
  6. Step 6: Final answer
    x = 14,336.43

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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.