Home / 39,815.83-54,952.13-29,095.90

Finding the Fourth Proportional to 39,815.83, 54,952.13 and 29,095.90

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Solution

The fourth proportional to 39,815.83, 54,952.13 and 29,095.90 is: 40,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,815.83 : 54,952.13 = 29,095.90 : x
  2. Step 2: Convert to fraction form
    39,815.83/54,952.13 = 29,095.90/x
  3. Step 3: Cross multiply
    39,815.83x = 54,952.13 × 29,095.90
  4. Step 4: Simplify right side
    39,815.83x = 1,598,881,679.27
  5. Step 5: Solve for x
    x = 1,598,881,679.27/39,815.83
  6. Step 6: Final answer
    x = 40,156.93

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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.