Home / 40,789.13-61,243.76-22,812.58

Finding the Fourth Proportional to 40,789.13, 61,243.76 and 22,812.58

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Solution

The fourth proportional to 40,789.13, 61,243.76 and 22,812.58 is: 34,252.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,789.13 : 61,243.76 = 22,812.58 : x
  2. Step 2: Convert to fraction form
    40,789.13/61,243.76 = 22,812.58/x
  3. Step 3: Cross multiply
    40,789.13x = 61,243.76 × 22,812.58
  4. Step 4: Simplify right side
    40,789.13x = 1,397,128,174.50
  5. Step 5: Solve for x
    x = 1,397,128,174.50/40,789.13
  6. Step 6: Final answer
    x = 34,252.46

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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.