Home / 43,161.56-64,720.26-19,767.95

Finding the Fourth Proportional to 43,161.56, 64,720.26 and 19,767.95

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Solution

The fourth proportional to 43,161.56, 64,720.26 and 19,767.95 is: 29,641.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,161.56 : 64,720.26 = 19,767.95 : x
  2. Step 2: Convert to fraction form
    43,161.56/64,720.26 = 19,767.95/x
  3. Step 3: Cross multiply
    43,161.56x = 64,720.26 × 19,767.95
  4. Step 4: Simplify right side
    43,161.56x = 1,279,386,863.67
  5. Step 5: Solve for x
    x = 1,279,386,863.67/43,161.56
  6. Step 6: Final answer
    x = 29,641.81

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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.