Home / 42,211.96-58,227.12-27,871.92

Finding the Fourth Proportional to 42,211.96, 58,227.12 and 27,871.92

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Solution

The fourth proportional to 42,211.96, 58,227.12 and 27,871.92 is: 38,446.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,211.96 : 58,227.12 = 27,871.92 : x
  2. Step 2: Convert to fraction form
    42,211.96/58,227.12 = 27,871.92/x
  3. Step 3: Cross multiply
    42,211.96x = 58,227.12 × 27,871.92
  4. Step 4: Simplify right side
    42,211.96x = 1,622,901,630.47
  5. Step 5: Solve for x
    x = 1,622,901,630.47/42,211.96
  6. Step 6: Final answer
    x = 38,446.49

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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.