Home / 35,631.70-49,115.21-28,066.04

Finding the Fourth Proportional to 35,631.70, 49,115.21 and 28,066.04

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Solution

The fourth proportional to 35,631.70, 49,115.21 and 28,066.04 is: 38,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,631.70 : 49,115.21 = 28,066.04 : x
  2. Step 2: Convert to fraction form
    35,631.70/49,115.21 = 28,066.04/x
  3. Step 3: Cross multiply
    35,631.70x = 49,115.21 × 28,066.04
  4. Step 4: Simplify right side
    35,631.70x = 1,378,469,680.89
  5. Step 5: Solve for x
    x = 1,378,469,680.89/35,631.70
  6. Step 6: Final answer
    x = 38,686.61

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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.