Home / 40,123.64-60,185.30-12,043.57

Finding the Fourth Proportional to 40,123.64, 60,185.30 and 12,043.57

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Solution

The fourth proportional to 40,123.64, 60,185.30 and 12,043.57 is: 18,065.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,123.64 : 60,185.30 = 12,043.57 : x
  2. Step 2: Convert to fraction form
    40,123.64/60,185.30 = 12,043.57/x
  3. Step 3: Cross multiply
    40,123.64x = 60,185.30 × 12,043.57
  4. Step 4: Simplify right side
    40,123.64x = 724,845,753.17
  5. Step 5: Solve for x
    x = 724,845,753.17/40,123.64
  6. Step 6: Final answer
    x = 18,065.31

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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.