Home / 63,499.30-87,589.38-40,867.90

Finding the Fourth Proportional to 63,499.30, 87,589.38 and 40,867.90

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Solution

The fourth proportional to 63,499.30, 87,589.38 and 40,867.90 is: 56,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,499.30 : 87,589.38 = 40,867.90 : x
  2. Step 2: Convert to fraction form
    63,499.30/87,589.38 = 40,867.90/x
  3. Step 3: Cross multiply
    63,499.30x = 87,589.38 × 40,867.90
  4. Step 4: Simplify right side
    63,499.30x = 3,579,594,022.90
  5. Step 5: Solve for x
    x = 3,579,594,022.90/63,499.30
  6. Step 6: Final answer
    x = 56,372.18

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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.