Home / 40,170.23-55,429.82-22,265.08

Finding the Fourth Proportional to 40,170.23, 55,429.82 and 22,265.08

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Solution

The fourth proportional to 40,170.23, 55,429.82 and 22,265.08 is: 30,722.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,170.23 : 55,429.82 = 22,265.08 : x
  2. Step 2: Convert to fraction form
    40,170.23/55,429.82 = 22,265.08/x
  3. Step 3: Cross multiply
    40,170.23x = 55,429.82 × 22,265.08
  4. Step 4: Simplify right side
    40,170.23x = 1,234,149,210.28
  5. Step 5: Solve for x
    x = 1,234,149,210.28/40,170.23
  6. Step 6: Final answer
    x = 30,722.98

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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.