Home / 63,188.82-87,217.38-39,301.92

Finding the Fourth Proportional to 63,188.82, 87,217.38 and 39,301.92

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Solution

The fourth proportional to 63,188.82, 87,217.38 and 39,301.92 is: 54,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,188.82 : 87,217.38 = 39,301.92 : x
  2. Step 2: Convert to fraction form
    63,188.82/87,217.38 = 39,301.92/x
  3. Step 3: Cross multiply
    63,188.82x = 87,217.38 × 39,301.92
  4. Step 4: Simplify right side
    63,188.82x = 3,427,810,491.37
  5. Step 5: Solve for x
    x = 3,427,810,491.37/63,188.82
  6. Step 6: Final answer
    x = 54,247.10

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1.5x scale

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.