Home / 40,442.20-60,699.30-23,781.40

Finding the Fourth Proportional to 40,442.20, 60,699.30 and 23,781.40

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Solution

The fourth proportional to 40,442.20, 60,699.30 and 23,781.40 is: 35,693.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,442.20 : 60,699.30 = 23,781.40 : x
  2. Step 2: Convert to fraction form
    40,442.20/60,699.30 = 23,781.40/x
  3. Step 3: Cross multiply
    40,442.20x = 60,699.30 × 23,781.40
  4. Step 4: Simplify right side
    40,442.20x = 1,443,514,333.02
  5. Step 5: Solve for x
    x = 1,443,514,333.02/40,442.20
  6. Step 6: Final answer
    x = 35,693.27

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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.