Home / 31,361.65-43,282.15-17,934.89

Finding the Fourth Proportional to 31,361.65, 43,282.15 and 17,934.89

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Solution

The fourth proportional to 31,361.65, 43,282.15 and 17,934.89 is: 24,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,361.65 : 43,282.15 = 17,934.89 : x
  2. Step 2: Convert to fraction form
    31,361.65/43,282.15 = 17,934.89/x
  3. Step 3: Cross multiply
    31,361.65x = 43,282.15 × 17,934.89
  4. Step 4: Simplify right side
    31,361.65x = 776,260,337.97
  5. Step 5: Solve for x
    x = 776,260,337.97/31,361.65
  6. Step 6: Final answer
    x = 24,751.90

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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.