Home / 52,590.19-78,865.83-15,137.62

Finding the Fourth Proportional to 52,590.19, 78,865.83 and 15,137.62

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Solution

The fourth proportional to 52,590.19, 78,865.83 and 15,137.62 is: 22,700.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,590.19 : 78,865.83 = 15,137.62 : x
  2. Step 2: Convert to fraction form
    52,590.19/78,865.83 = 15,137.62/x
  3. Step 3: Cross multiply
    52,590.19x = 78,865.83 × 15,137.62
  4. Step 4: Simplify right side
    52,590.19x = 1,193,840,965.52
  5. Step 5: Solve for x
    x = 1,193,840,965.52/52,590.19
  6. Step 6: Final answer
    x = 22,700.83

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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.