Home / 47,452.90-71,179.35-30,000.10

Finding the Fourth Proportional to 47,452.90, 71,179.35 and 30,000.10

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Solution

The fourth proportional to 47,452.90, 71,179.35 and 30,000.10 is: 45,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,452.90 : 71,179.35 = 30,000.10 : x
  2. Step 2: Convert to fraction form
    47,452.90/71,179.35 = 30,000.10/x
  3. Step 3: Cross multiply
    47,452.90x = 71,179.35 × 30,000.10
  4. Step 4: Simplify right side
    47,452.90x = 2,135,387,617.94
  5. Step 5: Solve for x
    x = 2,135,387,617.94/47,452.90
  6. Step 6: Final answer
    x = 45,000.15

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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.