Home / 54,032.88-74,565.20-30,159.28

Finding the Fourth Proportional to 54,032.88, 74,565.20 and 30,159.28

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Solution

The fourth proportional to 54,032.88, 74,565.20 and 30,159.28 is: 41,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,032.88 : 74,565.20 = 30,159.28 : x
  2. Step 2: Convert to fraction form
    54,032.88/74,565.20 = 30,159.28/x
  3. Step 3: Cross multiply
    54,032.88x = 74,565.20 × 30,159.28
  4. Step 4: Simplify right side
    54,032.88x = 2,248,832,745.06
  5. Step 5: Solve for x
    x = 2,248,832,745.06/54,032.88
  6. Step 6: Final answer
    x = 41,619.71

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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.