Home / 47,229.20-70,949.40-39,453.20

Finding the Fourth Proportional to 47,229.20, 70,949.40 and 39,453.20

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Solution

The fourth proportional to 47,229.20, 70,949.40 and 39,453.20 is: 59,268.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,229.20 : 70,949.40 = 39,453.20 : x
  2. Step 2: Convert to fraction form
    47,229.20/70,949.40 = 39,453.20/x
  3. Step 3: Cross multiply
    47,229.20x = 70,949.40 × 39,453.20
  4. Step 4: Simplify right side
    47,229.20x = 2,799,180,868.08
  5. Step 5: Solve for x
    x = 2,799,180,868.08/47,229.20
  6. Step 6: Final answer
    x = 59,268.01

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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.