Home / 40,545.20-55,951.47-22,641.89

Finding the Fourth Proportional to 40,545.20, 55,951.47 and 22,641.89

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Solution

The fourth proportional to 40,545.20, 55,951.47 and 22,641.89 is: 31,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,545.20 : 55,951.47 = 22,641.89 : x
  2. Step 2: Convert to fraction form
    40,545.20/55,951.47 = 22,641.89/x
  3. Step 3: Cross multiply
    40,545.20x = 55,951.47 × 22,641.89
  4. Step 4: Simplify right side
    40,545.20x = 1,266,847,029.08
  5. Step 5: Solve for x
    x = 1,266,847,029.08/40,545.20
  6. Step 6: Final answer
    x = 31,245.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.