Home / 47,685.80-65,805.12-26,175.56

Finding the Fourth Proportional to 47,685.80, 65,805.12 and 26,175.56

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Solution

The fourth proportional to 47,685.80, 65,805.12 and 26,175.56 is: 36,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,685.80 : 65,805.12 = 26,175.56 : x
  2. Step 2: Convert to fraction form
    47,685.80/65,805.12 = 26,175.56/x
  3. Step 3: Cross multiply
    47,685.80x = 65,805.12 × 26,175.56
  4. Step 4: Simplify right side
    47,685.80x = 1,722,485,866.87
  5. Step 5: Solve for x
    x = 1,722,485,866.87/47,685.80
  6. Step 6: Final answer
    x = 36,121.57

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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.