Home / 40,350.39-55,678.46-22,446.15

Finding the Fourth Proportional to 40,350.39, 55,678.46 and 22,446.15

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Solution

The fourth proportional to 40,350.39, 55,678.46 and 22,446.15 is: 30,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,350.39 : 55,678.46 = 22,446.15 : x
  2. Step 2: Convert to fraction form
    40,350.39/55,678.46 = 22,446.15/x
  3. Step 3: Cross multiply
    40,350.39x = 55,678.46 × 22,446.15
  4. Step 4: Simplify right side
    40,350.39x = 1,249,766,952.70
  5. Step 5: Solve for x
    x = 1,249,766,952.70/40,350.39
  6. Step 6: Final answer
    x = 30,972.86

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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.