Home / 84,345.90-126,520.20-22,016.40

Finding the Fourth Proportional to 84,345.90, 126,520.20 and 22,016.40

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Solution

The fourth proportional to 84,345.90, 126,520.20 and 22,016.40 is: 33,024.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,345.90 : 126,520.20 = 22,016.40 : x
  2. Step 2: Convert to fraction form
    84,345.90/126,520.20 = 22,016.40/x
  3. Step 3: Cross multiply
    84,345.90x = 126,520.20 × 22,016.40
  4. Step 4: Simplify right side
    84,345.90x = 2,785,519,331.28
  5. Step 5: Solve for x
    x = 2,785,519,331.28/84,345.90
  6. Step 6: Final answer
    x = 33,024.95

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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.