Home / 47,714.80-71,572.20-30,204.40

Finding the Fourth Proportional to 47,714.80, 71,572.20 and 30,204.40

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Solution

The fourth proportional to 47,714.80, 71,572.20 and 30,204.40 is: 45,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,714.80 : 71,572.20 = 30,204.40 : x
  2. Step 2: Convert to fraction form
    47,714.80/71,572.20 = 30,204.40/x
  3. Step 3: Cross multiply
    47,714.80x = 71,572.20 × 30,204.40
  4. Step 4: Simplify right side
    47,714.80x = 2,161,795,357.68
  5. Step 5: Solve for x
    x = 2,161,795,357.68/47,714.80
  6. Step 6: Final answer
    x = 45,306.60

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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.