Home / 55,062.52-75,985.86-29,912.20

Finding the Fourth Proportional to 55,062.52, 75,985.86 and 29,912.20

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Solution

The fourth proportional to 55,062.52, 75,985.86 and 29,912.20 is: 41,278.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,062.52 : 75,985.86 = 29,912.20 : x
  2. Step 2: Convert to fraction form
    55,062.52/75,985.86 = 29,912.20/x
  3. Step 3: Cross multiply
    55,062.52x = 75,985.86 × 29,912.20
  4. Step 4: Simplify right side
    55,062.52x = 2,272,904,241.49
  5. Step 5: Solve for x
    x = 2,272,904,241.49/55,062.52
  6. Step 6: Final answer
    x = 41,278.61

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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.