Home / 35,255.05-48,648.87-20,144.71

Finding the Fourth Proportional to 35,255.05, 48,648.87 and 20,144.71

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Solution

The fourth proportional to 35,255.05, 48,648.87 and 20,144.71 is: 27,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,255.05 : 48,648.87 = 20,144.71 : x
  2. Step 2: Convert to fraction form
    35,255.05/48,648.87 = 20,144.71/x
  3. Step 3: Cross multiply
    35,255.05x = 48,648.87 × 20,144.71
  4. Step 4: Simplify right side
    35,255.05x = 980,017,377.98
  5. Step 5: Solve for x
    x = 980,017,377.98/35,255.05
  6. Step 6: Final answer
    x = 27,797.93

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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.