Home / 39,693.75-54,781.71-25,366.77

Finding the Fourth Proportional to 39,693.75, 54,781.71 and 25,366.77

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Solution

The fourth proportional to 39,693.75, 54,781.71 and 25,366.77 is: 35,008.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,693.75 : 54,781.71 = 25,366.77 : x
  2. Step 2: Convert to fraction form
    39,693.75/54,781.71 = 25,366.77/x
  3. Step 3: Cross multiply
    39,693.75x = 54,781.71 × 25,366.77
  4. Step 4: Simplify right side
    39,693.75x = 1,389,635,037.78
  5. Step 5: Solve for x
    x = 1,389,635,037.78/39,693.75
  6. Step 6: Final answer
    x = 35,008.91

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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.