Home / 40,770.11-61,160.84-14,468.60

Finding the Fourth Proportional to 40,770.11, 61,160.84 and 14,468.60

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Solution

The fourth proportional to 40,770.11, 61,160.84 and 14,468.60 is: 21,704.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,770.11 : 61,160.84 = 14,468.60 : x
  2. Step 2: Convert to fraction form
    40,770.11/61,160.84 = 14,468.60/x
  3. Step 3: Cross multiply
    40,770.11x = 61,160.84 × 14,468.60
  4. Step 4: Simplify right side
    40,770.11x = 884,911,729.62
  5. Step 5: Solve for x
    x = 884,911,729.62/40,770.11
  6. Step 6: Final answer
    x = 21,704.91

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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.