Home / 35,626.66-49,168.16-21,286.55

Finding the Fourth Proportional to 35,626.66, 49,168.16 and 21,286.55

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Solution

The fourth proportional to 35,626.66, 49,168.16 and 21,286.55 is: 29,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,626.66 : 49,168.16 = 21,286.55 : x
  2. Step 2: Convert to fraction form
    35,626.66/49,168.16 = 21,286.55/x
  3. Step 3: Cross multiply
    35,626.66x = 49,168.16 × 21,286.55
  4. Step 4: Simplify right side
    35,626.66x = 1,046,620,435.73
  5. Step 5: Solve for x
    x = 1,046,620,435.73/35,626.66
  6. Step 6: Final answer
    x = 29,377.45

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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.