Home / 45,781.86-63,180.36-25,638.66

Finding the Fourth Proportional to 45,781.86, 63,180.36 and 25,638.66

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Solution

The fourth proportional to 45,781.86, 63,180.36 and 25,638.66 is: 35,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,781.86 : 63,180.36 = 25,638.66 : x
  2. Step 2: Convert to fraction form
    45,781.86/63,180.36 = 25,638.66/x
  3. Step 3: Cross multiply
    45,781.86x = 63,180.36 × 25,638.66
  4. Step 4: Simplify right side
    45,781.86x = 1,619,859,768.72
  5. Step 5: Solve for x
    x = 1,619,859,768.72/45,781.86
  6. Step 6: Final answer
    x = 35,382.13

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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.