Home / 84,845.83-127,268.61-21,665.92

Finding the Fourth Proportional to 84,845.83, 127,268.61 and 21,665.92

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Solution

The fourth proportional to 84,845.83, 127,268.61 and 21,665.92 is: 32,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,845.83 : 127,268.61 = 21,665.92 : x
  2. Step 2: Convert to fraction form
    84,845.83/127,268.61 = 21,665.92/x
  3. Step 3: Cross multiply
    84,845.83x = 127,268.61 × 21,665.92
  4. Step 4: Simplify right side
    84,845.83x = 2,757,391,522.77
  5. Step 5: Solve for x
    x = 2,757,391,522.77/84,845.83
  6. Step 6: Final answer
    x = 32,498.85

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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.