Home / 49,747.60-74,640.78-18,585.28

Finding the Fourth Proportional to 49,747.60, 74,640.78 and 18,585.28

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Solution

The fourth proportional to 49,747.60, 74,640.78 and 18,585.28 is: 27,885.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,747.60 : 74,640.78 = 18,585.28 : x
  2. Step 2: Convert to fraction form
    49,747.60/74,640.78 = 18,585.28/x
  3. Step 3: Cross multiply
    49,747.60x = 74,640.78 × 18,585.28
  4. Step 4: Simplify right side
    49,747.60x = 1,387,219,795.72
  5. Step 5: Solve for x
    x = 1,387,219,795.72/49,747.60
  6. Step 6: Final answer
    x = 27,885.16

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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.