Home / 48,221.42-72,331.38-13,160.97

Finding the Fourth Proportional to 48,221.42, 72,331.38 and 13,160.97

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Solution

The fourth proportional to 48,221.42, 72,331.38 and 13,160.97 is: 19,741.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,221.42 : 72,331.38 = 13,160.97 : x
  2. Step 2: Convert to fraction form
    48,221.42/72,331.38 = 13,160.97/x
  3. Step 3: Cross multiply
    48,221.42x = 72,331.38 × 13,160.97
  4. Step 4: Simplify right side
    48,221.42x = 951,951,122.24
  5. Step 5: Solve for x
    x = 951,951,122.24/48,221.42
  6. Step 6: Final answer
    x = 19,741.25

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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.