Home / 55,062.28-75,967.87-30,859.71

Finding the Fourth Proportional to 55,062.28, 75,967.87 and 30,859.71

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Solution

The fourth proportional to 55,062.28, 75,967.87 and 30,859.71 is: 42,576.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,062.28 : 75,967.87 = 30,859.71 : x
  2. Step 2: Convert to fraction form
    55,062.28/75,967.87 = 30,859.71/x
  3. Step 3: Cross multiply
    55,062.28x = 75,967.87 × 30,859.71
  4. Step 4: Simplify right side
    55,062.28x = 2,344,346,437.52
  5. Step 5: Solve for x
    x = 2,344,346,437.52/55,062.28
  6. Step 6: Final answer
    x = 42,576.27

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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.