Home / 54,122.10-74,640.12-33,980.85

Finding the Fourth Proportional to 54,122.10, 74,640.12 and 33,980.85

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Solution

The fourth proportional to 54,122.10, 74,640.12 and 33,980.85 is: 46,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,122.10 : 74,640.12 = 33,980.85 : x
  2. Step 2: Convert to fraction form
    54,122.10/74,640.12 = 33,980.85/x
  3. Step 3: Cross multiply
    54,122.10x = 74,640.12 × 33,980.85
  4. Step 4: Simplify right side
    54,122.10x = 2,536,334,721.70
  5. Step 5: Solve for x
    x = 2,536,334,721.70/54,122.10
  6. Step 6: Final answer
    x = 46,863.20

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Half scale
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Double scale
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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.