Home / 40,086.96-60,131.13-12,000.48

Finding the Fourth Proportional to 40,086.96, 60,131.13 and 12,000.48

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Solution

The fourth proportional to 40,086.96, 60,131.13 and 12,000.48 is: 18,000.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,086.96 : 60,131.13 = 12,000.48 : x
  2. Step 2: Convert to fraction form
    40,086.96/60,131.13 = 12,000.48/x
  3. Step 3: Cross multiply
    40,086.96x = 60,131.13 × 12,000.48
  4. Step 4: Simplify right side
    40,086.96x = 721,602,422.94
  5. Step 5: Solve for x
    x = 721,602,422.94/40,086.96
  6. Step 6: Final answer
    x = 18,000.93

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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.