Home / 63,358.30-87,409.53-40,694.12

Finding the Fourth Proportional to 63,358.30, 87,409.53 and 40,694.12

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Solution

The fourth proportional to 63,358.30, 87,409.53 and 40,694.12 is: 56,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,358.30 : 87,409.53 = 40,694.12 : x
  2. Step 2: Convert to fraction form
    63,358.30/87,409.53 = 40,694.12/x
  3. Step 3: Cross multiply
    63,358.30x = 87,409.53 × 40,694.12
  4. Step 4: Simplify right side
    63,358.30x = 3,557,053,902.96
  5. Step 5: Solve for x
    x = 3,557,053,902.96/63,358.30
  6. Step 6: Final answer
    x = 56,141.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.