Home / 87,487.40-131,231.10-24,307.40

Finding the Fourth Proportional to 87,487.40, 131,231.10 and 24,307.40

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Solution

The fourth proportional to 87,487.40, 131,231.10 and 24,307.40 is: 36,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,487.40 : 131,231.10 = 24,307.40 : x
  2. Step 2: Convert to fraction form
    87,487.40/131,231.10 = 24,307.40/x
  3. Step 3: Cross multiply
    87,487.40x = 131,231.10 × 24,307.40
  4. Step 4: Simplify right side
    87,487.40x = 3,189,886,840.14
  5. Step 5: Solve for x
    x = 3,189,886,840.14/87,487.40
  6. Step 6: Final answer
    x = 36,461.10

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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.