Home / 40,432.10-60,631.95-14,123.30

Finding the Fourth Proportional to 40,432.10, 60,631.95 and 14,123.30

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Solution

The fourth proportional to 40,432.10, 60,631.95 and 14,123.30 is: 21,179.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,432.10 : 60,631.95 = 14,123.30 : x
  2. Step 2: Convert to fraction form
    40,432.10/60,631.95 = 14,123.30/x
  3. Step 3: Cross multiply
    40,432.10x = 60,631.95 × 14,123.30
  4. Step 4: Simplify right side
    40,432.10x = 856,323,219.44
  5. Step 5: Solve for x
    x = 856,323,219.44/40,432.10
  6. Step 6: Final answer
    x = 21,179.29

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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.