Home / 45,331.60-67,997.40-36,000.40

Finding the Fourth Proportional to 45,331.60, 67,997.40 and 36,000.40

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Solution

The fourth proportional to 45,331.60, 67,997.40 and 36,000.40 is: 54,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,331.60 : 67,997.40 = 36,000.40 : x
  2. Step 2: Convert to fraction form
    45,331.60/67,997.40 = 36,000.40/x
  3. Step 3: Cross multiply
    45,331.60x = 67,997.40 × 36,000.40
  4. Step 4: Simplify right side
    45,331.60x = 2,447,933,598.96
  5. Step 5: Solve for x
    x = 2,447,933,598.96/45,331.60
  6. Step 6: Final answer
    x = 54,000.60

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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.