Home / 45,354.60-68,147.10-40,285.80

Finding the Fourth Proportional to 45,354.60, 68,147.10 and 40,285.80

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Solution

The fourth proportional to 45,354.60, 68,147.10 and 40,285.80 is: 60,531.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,354.60 : 68,147.10 = 40,285.80 : x
  2. Step 2: Convert to fraction form
    45,354.60/68,147.10 = 40,285.80/x
  3. Step 3: Cross multiply
    45,354.60x = 68,147.10 × 40,285.80
  4. Step 4: Simplify right side
    45,354.60x = 2,745,360,441.18
  5. Step 5: Solve for x
    x = 2,745,360,441.18/45,354.60
  6. Step 6: Final answer
    x = 60,531.03

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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.