Home / 40,009.32-55,214.01-22,105.49

Finding the Fourth Proportional to 40,009.32, 55,214.01 and 22,105.49

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Solution

The fourth proportional to 40,009.32, 55,214.01 and 22,105.49 is: 30,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,009.32 : 55,214.01 = 22,105.49 : x
  2. Step 2: Convert to fraction form
    40,009.32/55,214.01 = 22,105.49/x
  3. Step 3: Cross multiply
    40,009.32x = 55,214.01 × 22,105.49
  4. Step 4: Simplify right side
    40,009.32x = 1,220,532,469.84
  5. Step 5: Solve for x
    x = 1,220,532,469.84/40,009.32
  6. Step 6: Final answer
    x = 30,506.20

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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.