Home / 54,332.60-81,434.10-28,023.80

Finding the Fourth Proportional to 54,332.60, 81,434.10 and 28,023.80

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Solution

The fourth proportional to 54,332.60, 81,434.10 and 28,023.80 is: 42,002.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,332.60 : 81,434.10 = 28,023.80 : x
  2. Step 2: Convert to fraction form
    54,332.60/81,434.10 = 28,023.80/x
  3. Step 3: Cross multiply
    54,332.60x = 81,434.10 × 28,023.80
  4. Step 4: Simplify right side
    54,332.60x = 2,282,092,931.58
  5. Step 5: Solve for x
    x = 2,282,092,931.58/54,332.60
  6. Step 6: Final answer
    x = 42,002.28

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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.