Home / 31,545.77-47,327.16-10,489.22

Finding the Fourth Proportional to 31,545.77, 47,327.16 and 10,489.22

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Solution

The fourth proportional to 31,545.77, 47,327.16 and 10,489.22 is: 15,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,545.77 : 47,327.16 = 10,489.22 : x
  2. Step 2: Convert to fraction form
    31,545.77/47,327.16 = 10,489.22/x
  3. Step 3: Cross multiply
    31,545.77x = 47,327.16 × 10,489.22
  4. Step 4: Simplify right side
    31,545.77x = 496,424,756.58
  5. Step 5: Solve for x
    x = 496,424,756.58/31,545.77
  6. Step 6: Final answer
    x = 15,736.65

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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.