Home / 54,298.92-74,932.53-33,078.18

Finding the Fourth Proportional to 54,298.92, 74,932.53 and 33,078.18

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Solution

The fourth proportional to 54,298.92, 74,932.53 and 33,078.18 is: 45,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,298.92 : 74,932.53 = 33,078.18 : x
  2. Step 2: Convert to fraction form
    54,298.92/74,932.53 = 33,078.18/x
  3. Step 3: Cross multiply
    54,298.92x = 74,932.53 × 33,078.18
  4. Step 4: Simplify right side
    54,298.92x = 2,478,631,715.20
  5. Step 5: Solve for x
    x = 2,478,631,715.20/54,298.92
  6. Step 6: Final answer
    x = 45,647.90

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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.