Home / 49,955.07-74,962.16-18,387.30

Finding the Fourth Proportional to 49,955.07, 74,962.16 and 18,387.30

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Solution

The fourth proportional to 49,955.07, 74,962.16 and 18,387.30 is: 27,591.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,955.07 : 74,962.16 = 18,387.30 : x
  2. Step 2: Convert to fraction form
    49,955.07/74,962.16 = 18,387.30/x
  3. Step 3: Cross multiply
    49,955.07x = 74,962.16 × 18,387.30
  4. Step 4: Simplify right side
    49,955.07x = 1,378,351,724.57
  5. Step 5: Solve for x
    x = 1,378,351,724.57/49,955.07
  6. Step 6: Final answer
    x = 27,591.83

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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.