Home / 84,346.80-126,520.20-22,017.30

Finding the Fourth Proportional to 84,346.80, 126,520.20 and 22,017.30

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Solution

The fourth proportional to 84,346.80, 126,520.20 and 22,017.30 is: 33,025.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,346.80 : 126,520.20 = 22,017.30 : x
  2. Step 2: Convert to fraction form
    84,346.80/126,520.20 = 22,017.30/x
  3. Step 3: Cross multiply
    84,346.80x = 126,520.20 × 22,017.30
  4. Step 4: Simplify right side
    84,346.80x = 2,785,633,199.46
  5. Step 5: Solve for x
    x = 2,785,633,199.46/84,346.80
  6. Step 6: Final answer
    x = 33,025.95

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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.