Home / 47,403.12-65,428.92-29,487.96

Finding the Fourth Proportional to 47,403.12, 65,428.92 and 29,487.96

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Solution

The fourth proportional to 47,403.12, 65,428.92 and 29,487.96 is: 40,701.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,403.12 : 65,428.92 = 29,487.96 : x
  2. Step 2: Convert to fraction form
    47,403.12/65,428.92 = 29,487.96/x
  3. Step 3: Cross multiply
    47,403.12x = 65,428.92 × 29,487.96
  4. Step 4: Simplify right side
    47,403.12x = 1,929,365,375.80
  5. Step 5: Solve for x
    x = 1,929,365,375.80/47,403.12
  6. Step 6: Final answer
    x = 40,701.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.