Home / 40,007.25-55,209.92-22,102.20

Finding the Fourth Proportional to 40,007.25, 55,209.92 and 22,102.20

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Solution

The fourth proportional to 40,007.25, 55,209.92 and 22,102.20 is: 30,500.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,007.25 : 55,209.92 = 22,102.20 : x
  2. Step 2: Convert to fraction form
    40,007.25/55,209.92 = 22,102.20/x
  3. Step 3: Cross multiply
    40,007.25x = 55,209.92 × 22,102.20
  4. Step 4: Simplify right side
    40,007.25x = 1,220,260,693.82
  5. Step 5: Solve for x
    x = 1,220,260,693.82/40,007.25
  6. Step 6: Final answer
    x = 30,500.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.