Home / 54,119.80-74,686.17-30,248.02

Finding the Fourth Proportional to 54,119.80, 74,686.17 and 30,248.02

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Solution

The fourth proportional to 54,119.80, 74,686.17 and 30,248.02 is: 41,742.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,119.80 : 74,686.17 = 30,248.02 : x
  2. Step 2: Convert to fraction form
    54,119.80/74,686.17 = 30,248.02/x
  3. Step 3: Cross multiply
    54,119.80x = 74,686.17 × 30,248.02
  4. Step 4: Simplify right side
    54,119.80x = 2,259,108,763.88
  5. Step 5: Solve for x
    x = 2,259,108,763.88/54,119.80
  6. Step 6: Final answer
    x = 41,742.74

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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.