Home / 54,431.30-75,110-30,552.50

Finding the Fourth Proportional to 54,431.30, 75,110 and 30,552.50

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Solution

The fourth proportional to 54,431.30, 75,110 and 30,552.50 is: 42,159.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,431.30 : 75,110 = 30,552.50 : x
  2. Step 2: Convert to fraction form
    54,431.30/75,110 = 30,552.50/x
  3. Step 3: Cross multiply
    54,431.30x = 75,110 × 30,552.50
  4. Step 4: Simplify right side
    54,431.30x = 2,294,798,275
  5. Step 5: Solve for x
    x = 2,294,798,275/54,431.30
  6. Step 6: Final answer
    x = 42,159.53

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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.