Home / 48,709.20-67,195.62-31,707.24

Finding the Fourth Proportional to 48,709.20, 67,195.62 and 31,707.24

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Solution

The fourth proportional to 48,709.20, 67,195.62 and 31,707.24 is: 43,740.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,709.20 : 67,195.62 = 31,707.24 : x
  2. Step 2: Convert to fraction form
    48,709.20/67,195.62 = 31,707.24/x
  3. Step 3: Cross multiply
    48,709.20x = 67,195.62 × 31,707.24
  4. Step 4: Simplify right side
    48,709.20x = 2,130,587,650.29
  5. Step 5: Solve for x
    x = 2,130,587,650.29/48,709.20
  6. Step 6: Final answer
    x = 43,740.97

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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.