Home / 31,506.99-43,479.78-17,359.83

Finding the Fourth Proportional to 31,506.99, 43,479.78 and 17,359.83

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Solution

The fourth proportional to 31,506.99, 43,479.78 and 17,359.83 is: 23,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.99 : 43,479.78 = 17,359.83 : x
  2. Step 2: Convert to fraction form
    31,506.99/43,479.78 = 17,359.83/x
  3. Step 3: Cross multiply
    31,506.99x = 43,479.78 × 17,359.83
  4. Step 4: Simplify right side
    31,506.99x = 754,801,502.44
  5. Step 5: Solve for x
    x = 754,801,502.44/31,506.99
  6. Step 6: Final answer
    x = 23,956.64

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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.