Home / 29,351.48-43,939.66-20,581.56

Finding the Fourth Proportional to 29,351.48, 43,939.66 and 20,581.56

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Solution

The fourth proportional to 29,351.48, 43,939.66 and 20,581.56 is: 30,810.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,351.48 : 43,939.66 = 20,581.56 : x
  2. Step 2: Convert to fraction form
    29,351.48/43,939.66 = 20,581.56/x
  3. Step 3: Cross multiply
    29,351.48x = 43,939.66 × 20,581.56
  4. Step 4: Simplify right side
    29,351.48x = 904,346,748.67
  5. Step 5: Solve for x
    x = 904,346,748.67/29,351.48
  6. Step 6: Final answer
    x = 30,810.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.