Home / 31,626.13-43,642.35-17,478.06

Finding the Fourth Proportional to 31,626.13, 43,642.35 and 17,478.06

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Solution

The fourth proportional to 31,626.13, 43,642.35 and 17,478.06 is: 24,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626.13 : 43,642.35 = 17,478.06 : x
  2. Step 2: Convert to fraction form
    31,626.13/43,642.35 = 17,478.06/x
  3. Step 3: Cross multiply
    31,626.13x = 43,642.35 × 17,478.06
  4. Step 4: Simplify right side
    31,626.13x = 762,783,611.84
  5. Step 5: Solve for x
    x = 762,783,611.84/31,626.13
  6. Step 6: Final answer
    x = 24,118.78

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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.