Home / 40,385.52-55,725.17-22,480.40

Finding the Fourth Proportional to 40,385.52, 55,725.17 and 22,480.40

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Solution

The fourth proportional to 40,385.52, 55,725.17 and 22,480.40 is: 31,019.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,385.52 : 55,725.17 = 22,480.40 : x
  2. Step 2: Convert to fraction form
    40,385.52/55,725.17 = 22,480.40/x
  3. Step 3: Cross multiply
    40,385.52x = 55,725.17 × 22,480.40
  4. Step 4: Simplify right side
    40,385.52x = 1,252,724,138.58
  5. Step 5: Solve for x
    x = 1,252,724,138.58/40,385.52
  6. Step 6: Final answer
    x = 31,019.14

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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.