Home / 31,586.55-43,589.10-17,439.09

Finding the Fourth Proportional to 31,586.55, 43,589.10 and 17,439.09

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Solution

The fourth proportional to 31,586.55, 43,589.10 and 17,439.09 is: 24,065.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586.55 : 43,589.10 = 17,439.09 : x
  2. Step 2: Convert to fraction form
    31,586.55/43,589.10 = 17,439.09/x
  3. Step 3: Cross multiply
    31,586.55x = 43,589.10 × 17,439.09
  4. Step 4: Simplify right side
    31,586.55x = 760,154,237.92
  5. Step 5: Solve for x
    x = 760,154,237.92/31,586.55
  6. Step 6: Final answer
    x = 24,065.76

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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.