Home / 49,917.04-74,875.82-20,335.18

Finding the Fourth Proportional to 49,917.04, 74,875.82 and 20,335.18

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Solution

The fourth proportional to 49,917.04, 74,875.82 and 20,335.18 is: 30,502.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,917.04 : 74,875.82 = 20,335.18 : x
  2. Step 2: Convert to fraction form
    49,917.04/74,875.82 = 20,335.18/x
  3. Step 3: Cross multiply
    49,917.04x = 74,875.82 × 20,335.18
  4. Step 4: Simplify right side
    49,917.04x = 1,522,613,277.35
  5. Step 5: Solve for x
    x = 1,522,613,277.35/49,917.04
  6. Step 6: Final answer
    x = 30,502.88

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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.