Home / 45,781.18-63,170.73-25,638.91

Finding the Fourth Proportional to 45,781.18, 63,170.73 and 25,638.91

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Solution

The fourth proportional to 45,781.18, 63,170.73 and 25,638.91 is: 35,377.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,781.18 : 63,170.73 = 25,638.91 : x
  2. Step 2: Convert to fraction form
    45,781.18/63,170.73 = 25,638.91/x
  3. Step 3: Cross multiply
    45,781.18x = 63,170.73 × 25,638.91
  4. Step 4: Simplify right side
    45,781.18x = 1,619,628,661.10
  5. Step 5: Solve for x
    x = 1,619,628,661.10/45,781.18
  6. Step 6: Final answer
    x = 35,377.61

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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.