Home / 40,217.40-55,503.45-22,318.20

Finding the Fourth Proportional to 40,217.40, 55,503.45 and 22,318.20

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Solution

The fourth proportional to 40,217.40, 55,503.45 and 22,318.20 is: 30,801.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,217.40 : 55,503.45 = 22,318.20 : x
  2. Step 2: Convert to fraction form
    40,217.40/55,503.45 = 22,318.20/x
  3. Step 3: Cross multiply
    40,217.40x = 55,503.45 × 22,318.20
  4. Step 4: Simplify right side
    40,217.40x = 1,238,737,097.79
  5. Step 5: Solve for x
    x = 1,238,737,097.79/40,217.40
  6. Step 6: Final answer
    x = 30,801.02

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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.