Home / 31,584.80-43,586.16-17,436.64

Finding the Fourth Proportional to 31,584.80, 43,586.16 and 17,436.64

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Solution

The fourth proportional to 31,584.80, 43,586.16 and 17,436.64 is: 24,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,584.80 : 43,586.16 = 17,436.64 : x
  2. Step 2: Convert to fraction form
    31,584.80/43,586.16 = 17,436.64/x
  3. Step 3: Cross multiply
    31,584.80x = 43,586.16 × 17,436.64
  4. Step 4: Simplify right side
    31,584.80x = 759,996,180.90
  5. Step 5: Solve for x
    x = 759,996,180.90/31,584.80
  6. Step 6: Final answer
    x = 24,062.09

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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.