Home / 41,641.69-57,469.49-22,781.65

Finding the Fourth Proportional to 41,641.69, 57,469.49 and 22,781.65

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Solution

The fourth proportional to 41,641.69, 57,469.49 and 22,781.65 is: 31,440.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,641.69 : 57,469.49 = 22,781.65 : x
  2. Step 2: Convert to fraction form
    41,641.69/57,469.49 = 22,781.65/x
  3. Step 3: Cross multiply
    41,641.69x = 57,469.49 × 22,781.65
  4. Step 4: Simplify right side
    41,641.69x = 1,309,249,806.86
  5. Step 5: Solve for x
    x = 1,309,249,806.86/41,641.69
  6. Step 6: Final answer
    x = 31,440.84

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Double scale
Find fourth proportional to 41,642.69, 57,470.87 and 22,782.65
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1.5x scale

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.