Home / 40,385.20-60,613.80-23,724.40

Finding the Fourth Proportional to 40,385.20, 60,613.80 and 23,724.40

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Solution

The fourth proportional to 40,385.20, 60,613.80 and 23,724.40 is: 35,607.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,385.20 : 60,613.80 = 23,724.40 : x
  2. Step 2: Convert to fraction form
    40,385.20/60,613.80 = 23,724.40/x
  3. Step 3: Cross multiply
    40,385.20x = 60,613.80 × 23,724.40
  4. Step 4: Simplify right side
    40,385.20x = 1,438,026,036.72
  5. Step 5: Solve for x
    x = 1,438,026,036.72/40,385.20
  6. Step 6: Final answer
    x = 35,607.75

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1.5x scale

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.