Home / 39,184.38-54,072.83-21,278.93

Finding the Fourth Proportional to 39,184.38, 54,072.83 and 21,278.93

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Solution

The fourth proportional to 39,184.38, 54,072.83 and 21,278.93 is: 29,364.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,184.38 : 54,072.83 = 21,278.93 : x
  2. Step 2: Convert to fraction form
    39,184.38/54,072.83 = 21,278.93/x
  3. Step 3: Cross multiply
    39,184.38x = 54,072.83 × 21,278.93
  4. Step 4: Simplify right side
    39,184.38x = 1,150,611,747.31
  5. Step 5: Solve for x
    x = 1,150,611,747.31/39,184.38
  6. Step 6: Final answer
    x = 29,364.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.