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Finding the Fourth Proportional to 48,759, 67,288.92 and 27,250.44

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Solution

The fourth proportional to 48,759, 67,288.92 and 27,250.44 is: 37,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,759 : 67,288.92 = 27,250.44 : x
  2. Step 2: Convert to fraction form
    48,759/67,288.92 = 27,250.44/x
  3. Step 3: Cross multiply
    48,759x = 67,288.92 × 27,250.44
  4. Step 4: Simplify right side
    48,759x = 1,833,652,677.12
  5. Step 5: Solve for x
    x = 1,833,652,677.12/48,759
  6. Step 6: Final answer
    x = 37,606.45

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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.