Home / 49,791.32-74,703.42-18,211.04

Finding the Fourth Proportional to 49,791.32, 74,703.42 and 18,211.04

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Solution

The fourth proportional to 49,791.32, 74,703.42 and 18,211.04 is: 27,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,791.32 : 74,703.42 = 18,211.04 : x
  2. Step 2: Convert to fraction form
    49,791.32/74,703.42 = 18,211.04/x
  3. Step 3: Cross multiply
    49,791.32x = 74,703.42 × 18,211.04
  4. Step 4: Simplify right side
    49,791.32x = 1,360,426,969.76
  5. Step 5: Solve for x
    x = 1,360,426,969.76/49,791.32
  6. Step 6: Final answer
    x = 27,322.57

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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.