Home / 54,948.78-75,812.58-30,747.24

Finding the Fourth Proportional to 54,948.78, 75,812.58 and 30,747.24

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Solution

The fourth proportional to 54,948.78, 75,812.58 and 30,747.24 is: 42,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,948.78 : 75,812.58 = 30,747.24 : x
  2. Step 2: Convert to fraction form
    54,948.78/75,812.58 = 30,747.24/x
  3. Step 3: Cross multiply
    54,948.78x = 75,812.58 × 30,747.24
  4. Step 4: Simplify right side
    54,948.78x = 2,331,027,059.48
  5. Step 5: Solve for x
    x = 2,331,027,059.48/54,948.78
  6. Step 6: Final answer
    x = 42,421.82

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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.