Home / 87,638.28-131,461.65-24,458.28

Finding the Fourth Proportional to 87,638.28, 131,461.65 and 24,458.28

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Solution

The fourth proportional to 87,638.28, 131,461.65 and 24,458.28 is: 36,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,638.28 : 131,461.65 = 24,458.28 : x
  2. Step 2: Convert to fraction form
    87,638.28/131,461.65 = 24,458.28/x
  3. Step 3: Cross multiply
    87,638.28x = 131,461.65 × 24,458.28
  4. Step 4: Simplify right side
    87,638.28x = 3,215,325,844.96
  5. Step 5: Solve for x
    x = 3,215,325,844.96/87,638.28
  6. Step 6: Final answer
    x = 36,688.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.