Home / 63,422.41-87,581.75-47,479.18

Finding the Fourth Proportional to 63,422.41, 87,581.75 and 47,479.18

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Solution

The fourth proportional to 63,422.41, 87,581.75 and 47,479.18 is: 65,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,422.41 : 87,581.75 = 47,479.18 : x
  2. Step 2: Convert to fraction form
    63,422.41/87,581.75 = 47,479.18/x
  3. Step 3: Cross multiply
    63,422.41x = 87,581.75 × 47,479.18
  4. Step 4: Simplify right side
    63,422.41x = 4,158,309,672.97
  5. Step 5: Solve for x
    x = 4,158,309,672.97/63,422.41
  6. Step 6: Final answer
    x = 65,565.31

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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.