Home / 42,779.88-58,974.48-29,329.83

Finding the Fourth Proportional to 42,779.88, 58,974.48 and 29,329.83

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Solution

The fourth proportional to 42,779.88, 58,974.48 and 29,329.83 is: 40,432.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,779.88 : 58,974.48 = 29,329.83 : x
  2. Step 2: Convert to fraction form
    42,779.88/58,974.48 = 29,329.83/x
  3. Step 3: Cross multiply
    42,779.88x = 58,974.48 × 29,329.83
  4. Step 4: Simplify right side
    42,779.88x = 1,729,711,472.74
  5. Step 5: Solve for x
    x = 1,729,711,472.74/42,779.88
  6. Step 6: Final answer
    x = 40,432.83

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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.