Home / 54,432.51-75,121.82-31,782.48

Finding the Fourth Proportional to 54,432.51, 75,121.82 and 31,782.48

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Solution

The fourth proportional to 54,432.51, 75,121.82 and 31,782.48 is: 43,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,432.51 : 75,121.82 = 31,782.48 : x
  2. Step 2: Convert to fraction form
    54,432.51/75,121.82 = 31,782.48/x
  3. Step 3: Cross multiply
    54,432.51x = 75,121.82 × 31,782.48
  4. Step 4: Simplify right side
    54,432.51x = 2,387,557,741.71
  5. Step 5: Solve for x
    x = 2,387,557,741.71/54,432.51
  6. Step 6: Final answer
    x = 43,862.72

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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.