Home / 47,968.12-71,972.90-25,755.55

Finding the Fourth Proportional to 47,968.12, 71,972.90 and 25,755.55

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Solution

The fourth proportional to 47,968.12, 71,972.90 and 25,755.55 is: 38,644.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,968.12 : 71,972.90 = 25,755.55 : x
  2. Step 2: Convert to fraction form
    47,968.12/71,972.90 = 25,755.55/x
  3. Step 3: Cross multiply
    47,968.12x = 71,972.90 × 25,755.55
  4. Step 4: Simplify right side
    47,968.12x = 1,853,701,624.60
  5. Step 5: Solve for x
    x = 1,853,701,624.60/47,968.12
  6. Step 6: Final answer
    x = 38,644.45

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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.