Home / 45,432.48-68,149.02-15,850.20

Finding the Fourth Proportional to 45,432.48, 68,149.02 and 15,850.20

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Solution

The fourth proportional to 45,432.48, 68,149.02 and 15,850.20 is: 23,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,432.48 : 68,149.02 = 15,850.20 : x
  2. Step 2: Convert to fraction form
    45,432.48/68,149.02 = 15,850.20/x
  3. Step 3: Cross multiply
    45,432.48x = 68,149.02 × 15,850.20
  4. Step 4: Simplify right side
    45,432.48x = 1,080,175,596.80
  5. Step 5: Solve for x
    x = 1,080,175,596.80/45,432.48
  6. Step 6: Final answer
    x = 23,775.40

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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.