Home / 71,947.22-107,894.91-30,397.46

Finding the Fourth Proportional to 71,947.22, 107,894.91 and 30,397.46

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Solution

The fourth proportional to 71,947.22, 107,894.91 and 30,397.46 is: 45,585.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,947.22 : 107,894.91 = 30,397.46 : x
  2. Step 2: Convert to fraction form
    71,947.22/107,894.91 = 30,397.46/x
  3. Step 3: Cross multiply
    71,947.22x = 107,894.91 × 30,397.46
  4. Step 4: Simplify right side
    71,947.22x = 3,279,731,210.93
  5. Step 5: Solve for x
    x = 3,279,731,210.93/71,947.22
  6. Step 6: Final answer
    x = 45,585.24

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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.