Home / 54,182.18-74,777.61-30,314.90

Finding the Fourth Proportional to 54,182.18, 74,777.61 and 30,314.90

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Solution

The fourth proportional to 54,182.18, 74,777.61 and 30,314.90 is: 41,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,182.18 : 74,777.61 = 30,314.90 : x
  2. Step 2: Convert to fraction form
    54,182.18/74,777.61 = 30,314.90/x
  3. Step 3: Cross multiply
    54,182.18x = 74,777.61 × 30,314.90
  4. Step 4: Simplify right side
    54,182.18x = 2,266,875,769.39
  5. Step 5: Solve for x
    x = 2,266,875,769.39/54,182.18
  6. Step 6: Final answer
    x = 41,838.03

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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.