Home / 40,010.05-55,213.68-22,105.07

Finding the Fourth Proportional to 40,010.05, 55,213.68 and 22,105.07

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Solution

The fourth proportional to 40,010.05, 55,213.68 and 22,105.07 is: 30,504.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,010.05 : 55,213.68 = 22,105.07 : x
  2. Step 2: Convert to fraction form
    40,010.05/55,213.68 = 22,105.07/x
  3. Step 3: Cross multiply
    40,010.05x = 55,213.68 × 22,105.07
  4. Step 4: Simplify right side
    40,010.05x = 1,220,502,275.23
  5. Step 5: Solve for x
    x = 1,220,502,275.23/40,010.05
  6. Step 6: Final answer
    x = 30,504.89

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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.