Home / 58,562.76-87,834.15-21,115.38

Finding the Fourth Proportional to 58,562.76, 87,834.15 and 21,115.38

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Solution

The fourth proportional to 58,562.76, 87,834.15 and 21,115.38 is: 31,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,562.76 : 87,834.15 = 21,115.38 : x
  2. Step 2: Convert to fraction form
    58,562.76/87,834.15 = 21,115.38/x
  3. Step 3: Cross multiply
    58,562.76x = 87,834.15 × 21,115.38
  4. Step 4: Simplify right side
    58,562.76x = 1,854,651,454.23
  5. Step 5: Solve for x
    x = 1,854,651,454.23/58,562.76
  6. Step 6: Final answer
    x = 31,669.47

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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.