Home / 54,422.74-75,103.10-30,549.35

Finding the Fourth Proportional to 54,422.74, 75,103.10 and 30,549.35

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Solution

The fourth proportional to 54,422.74, 75,103.10 and 30,549.35 is: 42,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,422.74 : 75,103.10 = 30,549.35 : x
  2. Step 2: Convert to fraction form
    54,422.74/75,103.10 = 30,549.35/x
  3. Step 3: Cross multiply
    54,422.74x = 75,103.10 × 30,549.35
  4. Step 4: Simplify right side
    54,422.74x = 2,294,351,037.56
  5. Step 5: Solve for x
    x = 2,294,351,037.56/54,422.74
  6. Step 6: Final answer
    x = 42,157.95

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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.