Home / 54,042.63-74,577.24-30,168.78

Finding the Fourth Proportional to 54,042.63, 74,577.24 and 30,168.78

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Solution

The fourth proportional to 54,042.63, 74,577.24 and 30,168.78 is: 41,632.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,042.63 : 74,577.24 = 30,168.78 : x
  2. Step 2: Convert to fraction form
    54,042.63/74,577.24 = 30,168.78/x
  3. Step 3: Cross multiply
    54,042.63x = 74,577.24 × 30,168.78
  4. Step 4: Simplify right side
    54,042.63x = 2,249,904,346.57
  5. Step 5: Solve for x
    x = 2,249,904,346.57/54,042.63
  6. Step 6: Final answer
    x = 41,632.03

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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.