Home / 47,809.20-71,616.60-39,061.20

Finding the Fourth Proportional to 47,809.20, 71,616.60 and 39,061.20

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Solution

The fourth proportional to 47,809.20, 71,616.60 and 39,061.20 is: 58,512.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,809.20 : 71,616.60 = 39,061.20 : x
  2. Step 2: Convert to fraction form
    47,809.20/71,616.60 = 39,061.20/x
  3. Step 3: Cross multiply
    47,809.20x = 71,616.60 × 39,061.20
  4. Step 4: Simplify right side
    47,809.20x = 2,797,430,335.92
  5. Step 5: Solve for x
    x = 2,797,430,335.92/47,809.20
  6. Step 6: Final answer
    x = 58,512.39

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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.