Home / 49,587.75-74,382.03-18,423

Finding the Fourth Proportional to 49,587.75, 74,382.03 and 18,423

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Solution

The fourth proportional to 49,587.75, 74,382.03 and 18,423 is: 27,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,587.75 : 74,382.03 = 18,423 : x
  2. Step 2: Convert to fraction form
    49,587.75/74,382.03 = 18,423/x
  3. Step 3: Cross multiply
    49,587.75x = 74,382.03 × 18,423
  4. Step 4: Simplify right side
    49,587.75x = 1,370,340,138.69
  5. Step 5: Solve for x
    x = 1,370,340,138.69/49,587.75
  6. Step 6: Final answer
    x = 27,634.65

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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.