Home / 84,087.83-126,132.19-21,758.33

Finding the Fourth Proportional to 84,087.83, 126,132.19 and 21,758.33

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Solution

The fourth proportional to 84,087.83, 126,132.19 and 21,758.33 is: 32,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,087.83 : 126,132.19 = 21,758.33 : x
  2. Step 2: Convert to fraction form
    84,087.83/126,132.19 = 21,758.33/x
  3. Step 3: Cross multiply
    84,087.83x = 126,132.19 × 21,758.33
  4. Step 4: Simplify right side
    84,087.83x = 2,744,425,182.98
  5. Step 5: Solve for x
    x = 2,744,425,182.98/84,087.83
  6. Step 6: Final answer
    x = 32,637.60

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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.