Home / 55,040.28-75,956-29,889.76

Finding the Fourth Proportional to 55,040.28, 75,956 and 29,889.76

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Solution

The fourth proportional to 55,040.28, 75,956 and 29,889.76 is: 41,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,040.28 : 75,956 = 29,889.76 : x
  2. Step 2: Convert to fraction form
    55,040.28/75,956 = 29,889.76/x
  3. Step 3: Cross multiply
    55,040.28x = 75,956 × 29,889.76
  4. Step 4: Simplify right side
    55,040.28x = 2,270,306,610.56
  5. Step 5: Solve for x
    x = 2,270,306,610.56/55,040.28
  6. Step 6: Final answer
    x = 41,248.09

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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.