Home / 54,947.84-82,390.40-36,237.92

Finding the Fourth Proportional to 54,947.84, 82,390.40 and 36,237.92

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Solution

The fourth proportional to 54,947.84, 82,390.40 and 36,237.92 is: 54,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,947.84 : 82,390.40 = 36,237.92 : x
  2. Step 2: Convert to fraction form
    54,947.84/82,390.40 = 36,237.92/x
  3. Step 3: Cross multiply
    54,947.84x = 82,390.40 × 36,237.92
  4. Step 4: Simplify right side
    54,947.84x = 2,985,656,723.97
  5. Step 5: Solve for x
    x = 2,985,656,723.97/54,947.84
  6. Step 6: Final answer
    x = 54,336.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.