Home / 47,952.20-71,928.30-21,708.20

Finding the Fourth Proportional to 47,952.20, 71,928.30 and 21,708.20

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Solution

The fourth proportional to 47,952.20, 71,928.30 and 21,708.20 is: 32,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,952.20 : 71,928.30 = 21,708.20 : x
  2. Step 2: Convert to fraction form
    47,952.20/71,928.30 = 21,708.20/x
  3. Step 3: Cross multiply
    47,952.20x = 71,928.30 × 21,708.20
  4. Step 4: Simplify right side
    47,952.20x = 1,561,433,922.06
  5. Step 5: Solve for x
    x = 1,561,433,922.06/47,952.20
  6. Step 6: Final answer
    x = 32,562.30

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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.