Home / 40,311.38-55,626.26-22,400.66

Finding the Fourth Proportional to 40,311.38, 55,626.26 and 22,400.66

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Solution

The fourth proportional to 40,311.38, 55,626.26 and 22,400.66 is: 30,911.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,311.38 : 55,626.26 = 22,400.66 : x
  2. Step 2: Convert to fraction form
    40,311.38/55,626.26 = 22,400.66/x
  3. Step 3: Cross multiply
    40,311.38x = 55,626.26 × 22,400.66
  4. Step 4: Simplify right side
    40,311.38x = 1,246,064,937.33
  5. Step 5: Solve for x
    x = 1,246,064,937.33/40,311.38
  6. Step 6: Final answer
    x = 30,911.00

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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.