Home / 48,129.20-66,415.92-27,985.04

Finding the Fourth Proportional to 48,129.20, 66,415.92 and 27,985.04

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Solution

The fourth proportional to 48,129.20, 66,415.92 and 27,985.04 is: 38,617.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,129.20 : 66,415.92 = 27,985.04 : x
  2. Step 2: Convert to fraction form
    48,129.20/66,415.92 = 27,985.04/x
  3. Step 3: Cross multiply
    48,129.20x = 66,415.92 × 27,985.04
  4. Step 4: Simplify right side
    48,129.20x = 1,858,652,177.84
  5. Step 5: Solve for x
    x = 1,858,652,177.84/48,129.20
  6. Step 6: Final answer
    x = 38,617.97

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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.