Home / 54,887.70-82,331.55-51,201.30

Finding the Fourth Proportional to 54,887.70, 82,331.55 and 51,201.30

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Solution

The fourth proportional to 54,887.70, 82,331.55 and 51,201.30 is: 76,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,887.70 : 82,331.55 = 51,201.30 : x
  2. Step 2: Convert to fraction form
    54,887.70/82,331.55 = 51,201.30/x
  3. Step 3: Cross multiply
    54,887.70x = 82,331.55 × 51,201.30
  4. Step 4: Simplify right side
    54,887.70x = 4,215,482,391.02
  5. Step 5: Solve for x
    x = 4,215,482,391.02/54,887.70
  6. Step 6: Final answer
    x = 76,801.95

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1.5x scale

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.