Home / 54,342.30-74,995.47-30,467.82

Finding the Fourth Proportional to 54,342.30, 74,995.47 and 30,467.82

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Solution

The fourth proportional to 54,342.30, 74,995.47 and 30,467.82 is: 42,047.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,342.30 : 74,995.47 = 30,467.82 : x
  2. Step 2: Convert to fraction form
    54,342.30/74,995.47 = 30,467.82/x
  3. Step 3: Cross multiply
    54,342.30x = 74,995.47 × 30,467.82
  4. Step 4: Simplify right side
    54,342.30x = 2,284,948,480.78
  5. Step 5: Solve for x
    x = 2,284,948,480.78/54,342.30
  6. Step 6: Final answer
    x = 42,047.33

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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.