Home / 31,545.44-47,314.64-8,173.92

Finding the Fourth Proportional to 31,545.44, 47,314.64 and 8,173.92

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Solution

The fourth proportional to 31,545.44, 47,314.64 and 8,173.92 is: 12,259.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,545.44 : 47,314.64 = 8,173.92 : x
  2. Step 2: Convert to fraction form
    31,545.44/47,314.64 = 8,173.92/x
  3. Step 3: Cross multiply
    31,545.44x = 47,314.64 × 8,173.92
  4. Step 4: Simplify right side
    31,545.44x = 386,746,082.19
  5. Step 5: Solve for x
    x = 386,746,082.19/31,545.44
  6. Step 6: Final answer
    x = 12,259.97

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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.