Home / 40,461.46-60,701.10-12,381.73

Finding the Fourth Proportional to 40,461.46, 60,701.10 and 12,381.73

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Solution

The fourth proportional to 40,461.46, 60,701.10 and 12,381.73 is: 18,575.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,461.46 : 60,701.10 = 12,381.73 : x
  2. Step 2: Convert to fraction form
    40,461.46/60,701.10 = 12,381.73/x
  3. Step 3: Cross multiply
    40,461.46x = 60,701.10 × 12,381.73
  4. Step 4: Simplify right side
    40,461.46x = 751,584,630.90
  5. Step 5: Solve for x
    x = 751,584,630.90/40,461.46
  6. Step 6: Final answer
    x = 18,575.32

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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.