Home / 40,861.17-61,291.89-11,278.35

Finding the Fourth Proportional to 40,861.17, 61,291.89 and 11,278.35

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Solution

The fourth proportional to 40,861.17, 61,291.89 and 11,278.35 is: 16,917.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,861.17 : 61,291.89 = 11,278.35 : x
  2. Step 2: Convert to fraction form
    40,861.17/61,291.89 = 11,278.35/x
  3. Step 3: Cross multiply
    40,861.17x = 61,291.89 × 11,278.35
  4. Step 4: Simplify right side
    40,861.17x = 691,271,387.58
  5. Step 5: Solve for x
    x = 691,271,387.58/40,861.17
  6. Step 6: Final answer
    x = 16,917.56

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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.