Home / 40,776.60-61,150.22-14,115.35

Finding the Fourth Proportional to 40,776.60, 61,150.22 and 14,115.35

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Solution

The fourth proportional to 40,776.60, 61,150.22 and 14,115.35 is: 21,167.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,776.60 : 61,150.22 = 14,115.35 : x
  2. Step 2: Convert to fraction form
    40,776.60/61,150.22 = 14,115.35/x
  3. Step 3: Cross multiply
    40,776.60x = 61,150.22 × 14,115.35
  4. Step 4: Simplify right side
    40,776.60x = 863,156,381.55
  5. Step 5: Solve for x
    x = 863,156,381.55/40,776.60
  6. Step 6: Final answer
    x = 21,167.93

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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.