Home / 52,961.50-79,442.18-13,518.62

Finding the Fourth Proportional to 52,961.50, 79,442.18 and 13,518.62

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Solution

The fourth proportional to 52,961.50, 79,442.18 and 13,518.62 is: 20,277.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,961.50 : 79,442.18 = 13,518.62 : x
  2. Step 2: Convert to fraction form
    52,961.50/79,442.18 = 13,518.62/x
  3. Step 3: Cross multiply
    52,961.50x = 79,442.18 × 13,518.62
  4. Step 4: Simplify right side
    52,961.50x = 1,073,948,643.39
  5. Step 5: Solve for x
    x = 1,073,948,643.39/52,961.50
  6. Step 6: Final answer
    x = 20,277.91

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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.