Home / 40,538.70-60,714-39,137.04

Finding the Fourth Proportional to 40,538.70, 60,714 and 39,137.04

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Solution

The fourth proportional to 40,538.70, 60,714 and 39,137.04 is: 58,614.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,538.70 : 60,714 = 39,137.04 : x
  2. Step 2: Convert to fraction form
    40,538.70/60,714 = 39,137.04/x
  3. Step 3: Cross multiply
    40,538.70x = 60,714 × 39,137.04
  4. Step 4: Simplify right side
    40,538.70x = 2,376,166,246.56
  5. Step 5: Solve for x
    x = 2,376,166,246.56/40,538.70
  6. Step 6: Final answer
    x = 58,614.76

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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.