Home / 40,080.64-60,131.22-12,000.58

Finding the Fourth Proportional to 40,080.64, 60,131.22 and 12,000.58

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Solution

The fourth proportional to 40,080.64, 60,131.22 and 12,000.58 is: 18,003.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,080.64 : 60,131.22 = 12,000.58 : x
  2. Step 2: Convert to fraction form
    40,080.64/60,131.22 = 12,000.58/x
  3. Step 3: Cross multiply
    40,080.64x = 60,131.22 × 12,000.58
  4. Step 4: Simplify right side
    40,080.64x = 721,609,516.11
  5. Step 5: Solve for x
    x = 721,609,516.11/40,080.64
  6. Step 6: Final answer
    x = 18,003.94

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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.