Home / 40,007.25-55,209.79-22,102.25

Finding the Fourth Proportional to 40,007.25, 55,209.79 and 22,102.25

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Solution

The fourth proportional to 40,007.25, 55,209.79 and 22,102.25 is: 30,500.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,007.25 : 55,209.79 = 22,102.25 : x
  2. Step 2: Convert to fraction form
    40,007.25/55,209.79 = 22,102.25/x
  3. Step 3: Cross multiply
    40,007.25x = 55,209.79 × 22,102.25
  4. Step 4: Simplify right side
    40,007.25x = 1,220,260,643.16
  5. Step 5: Solve for x
    x = 1,220,260,643.16/40,007.25
  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.