Home / 31,586.70-43,589.71-17,439.56

Finding the Fourth Proportional to 31,586.70, 43,589.71 and 17,439.56

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Solution

The fourth proportional to 31,586.70, 43,589.71 and 17,439.56 is: 24,066.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586.70 : 43,589.71 = 17,439.56 : x
  2. Step 2: Convert to fraction form
    31,586.70/43,589.71 = 17,439.56/x
  3. Step 3: Cross multiply
    31,586.70x = 43,589.71 × 17,439.56
  4. Step 4: Simplify right side
    31,586.70x = 760,185,362.93
  5. Step 5: Solve for x
    x = 760,185,362.93/31,586.70
  6. Step 6: Final answer
    x = 24,066.63

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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.