Home / 54,418.32-75,112.38-31,762.08

Finding the Fourth Proportional to 54,418.32, 75,112.38 and 31,762.08

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Solution

The fourth proportional to 54,418.32, 75,112.38 and 31,762.08 is: 43,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,418.32 : 75,112.38 = 31,762.08 : x
  2. Step 2: Convert to fraction form
    54,418.32/75,112.38 = 31,762.08/x
  3. Step 3: Cross multiply
    54,418.32x = 75,112.38 × 31,762.08
  4. Step 4: Simplify right side
    54,418.32x = 2,385,725,422.55
  5. Step 5: Solve for x
    x = 2,385,725,422.55/54,418.32
  6. Step 6: Final answer
    x = 43,840.48

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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.