Home / 63,091.28-87,062.40-39,217.34

Finding the Fourth Proportional to 63,091.28, 87,062.40 and 39,217.34

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Solution

The fourth proportional to 63,091.28, 87,062.40 and 39,217.34 is: 54,117.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,091.28 : 87,062.40 = 39,217.34 : x
  2. Step 2: Convert to fraction form
    63,091.28/87,062.40 = 39,217.34/x
  3. Step 3: Cross multiply
    63,091.28x = 87,062.40 × 39,217.34
  4. Step 4: Simplify right side
    63,091.28x = 3,414,355,742.02
  5. Step 5: Solve for x
    x = 3,414,355,742.02/63,091.28
  6. Step 6: Final answer
    x = 54,117.71

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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.