Home / 79,588.12-119,383.56-26,998.96

Finding the Fourth Proportional to 79,588.12, 119,383.56 and 26,998.96

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Solution

The fourth proportional to 79,588.12, 119,383.56 and 26,998.96 is: 40,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,588.12 : 119,383.56 = 26,998.96 : x
  2. Step 2: Convert to fraction form
    79,588.12/119,383.56 = 26,998.96/x
  3. Step 3: Cross multiply
    79,588.12x = 119,383.56 × 26,998.96
  4. Step 4: Simplify right side
    79,588.12x = 3,223,231,961.10
  5. Step 5: Solve for x
    x = 3,223,231,961.10/79,588.12
  6. Step 6: Final answer
    x = 40,498.91

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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.