Home / 40,213.06-55,494.92-22,307.81

Finding the Fourth Proportional to 40,213.06, 55,494.92 and 22,307.81

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Solution

The fourth proportional to 40,213.06, 55,494.92 and 22,307.81 is: 30,785.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,213.06 : 55,494.92 = 22,307.81 : x
  2. Step 2: Convert to fraction form
    40,213.06/55,494.92 = 22,307.81/x
  3. Step 3: Cross multiply
    40,213.06x = 55,494.92 × 22,307.81
  4. Step 4: Simplify right side
    40,213.06x = 1,237,969,909.62
  5. Step 5: Solve for x
    x = 1,237,969,909.62/40,213.06
  6. Step 6: Final answer
    x = 30,785.27

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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.