Home / 41,409.68-57,162.53-31,340.93

Finding the Fourth Proportional to 41,409.68, 57,162.53 and 31,340.93

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Solution

The fourth proportional to 41,409.68, 57,162.53 and 31,340.93 is: 43,263.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,409.68 : 57,162.53 = 31,340.93 : x
  2. Step 2: Convert to fraction form
    41,409.68/57,162.53 = 31,340.93/x
  3. Step 3: Cross multiply
    41,409.68x = 57,162.53 × 31,340.93
  4. Step 4: Simplify right side
    41,409.68x = 1,791,526,694.65
  5. Step 5: Solve for x
    x = 1,791,526,694.65/41,409.68
  6. Step 6: Final answer
    x = 43,263.48

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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.