Home / 31,707.68-47,560.91-12,737.12

Finding the Fourth Proportional to 31,707.68, 47,560.91 and 12,737.12

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Solution

The fourth proportional to 31,707.68, 47,560.91 and 12,737.12 is: 19,105.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,707.68 : 47,560.91 = 12,737.12 : x
  2. Step 2: Convert to fraction form
    31,707.68/47,560.91 = 12,737.12/x
  3. Step 3: Cross multiply
    31,707.68x = 47,560.91 × 12,737.12
  4. Step 4: Simplify right side
    31,707.68x = 605,788,716.49
  5. Step 5: Solve for x
    x = 605,788,716.49/31,707.68
  6. Step 6: Final answer
    x = 19,105.43

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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.