Home / 47,962.80-71,976.60-31,282.20

Finding the Fourth Proportional to 47,962.80, 71,976.60 and 31,282.20

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Solution

The fourth proportional to 47,962.80, 71,976.60 and 31,282.20 is: 46,944.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,962.80 : 71,976.60 = 31,282.20 : x
  2. Step 2: Convert to fraction form
    47,962.80/71,976.60 = 31,282.20/x
  3. Step 3: Cross multiply
    47,962.80x = 71,976.60 × 31,282.20
  4. Step 4: Simplify right side
    47,962.80x = 2,251,586,396.52
  5. Step 5: Solve for x
    x = 2,251,586,396.52/47,962.80
  6. Step 6: Final answer
    x = 46,944.43

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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.