Home / 48,921.72-67,512.20-27,705.12

Finding the Fourth Proportional to 48,921.72, 67,512.20 and 27,705.12

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Solution

The fourth proportional to 48,921.72, 67,512.20 and 27,705.12 is: 38,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,921.72 : 67,512.20 = 27,705.12 : x
  2. Step 2: Convert to fraction form
    48,921.72/67,512.20 = 27,705.12/x
  3. Step 3: Cross multiply
    48,921.72x = 67,512.20 × 27,705.12
  4. Step 4: Simplify right side
    48,921.72x = 1,870,433,602.46
  5. Step 5: Solve for x
    x = 1,870,433,602.46/48,921.72
  6. Step 6: Final answer
    x = 38,233.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.