Home / 52,135.72-78,149.40-22,169.19

Finding the Fourth Proportional to 52,135.72, 78,149.40 and 22,169.19

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Solution

The fourth proportional to 52,135.72, 78,149.40 and 22,169.19 is: 33,230.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,135.72 : 78,149.40 = 22,169.19 : x
  2. Step 2: Convert to fraction form
    52,135.72/78,149.40 = 22,169.19/x
  3. Step 3: Cross multiply
    52,135.72x = 78,149.40 × 22,169.19
  4. Step 4: Simplify right side
    52,135.72x = 1,732,508,792.02
  5. Step 5: Solve for x
    x = 1,732,508,792.02/52,135.72
  6. Step 6: Final answer
    x = 33,230.74

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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.