Home / 45,531.40-68,292.20-12,254.83

Finding the Fourth Proportional to 45,531.40, 68,292.20 and 12,254.83

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Solution

The fourth proportional to 45,531.40, 68,292.20 and 12,254.83 is: 18,380.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,531.40 : 68,292.20 = 12,254.83 : x
  2. Step 2: Convert to fraction form
    45,531.40/68,292.20 = 12,254.83/x
  3. Step 3: Cross multiply
    45,531.40x = 68,292.20 × 12,254.83
  4. Step 4: Simplify right side
    45,531.40x = 836,909,092.30
  5. Step 5: Solve for x
    x = 836,909,092.30/45,531.40
  6. Step 6: Final answer
    x = 18,380.92

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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.