Home / 54,219.38-74,868.91-34,109.91

Finding the Fourth Proportional to 54,219.38, 74,868.91 and 34,109.91

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Solution

The fourth proportional to 54,219.38, 74,868.91 and 34,109.91 is: 47,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,219.38 : 74,868.91 = 34,109.91 : x
  2. Step 2: Convert to fraction form
    54,219.38/74,868.91 = 34,109.91/x
  3. Step 3: Cross multiply
    54,219.38x = 74,868.91 × 34,109.91
  4. Step 4: Simplify right side
    54,219.38x = 2,553,771,696.62
  5. Step 5: Solve for x
    x = 2,553,771,696.62/54,219.38
  6. Step 6: Final answer
    x = 47,100.72

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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.