Home / 31,586.45-43,589.28-17,439.29

Finding the Fourth Proportional to 31,586.45, 43,589.28 and 17,439.29

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Solution

The fourth proportional to 31,586.45, 43,589.28 and 17,439.29 is: 24,066.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586.45 : 43,589.28 = 17,439.29 : x
  2. Step 2: Convert to fraction form
    31,586.45/43,589.28 = 17,439.29/x
  3. Step 3: Cross multiply
    31,586.45x = 43,589.28 × 17,439.29
  4. Step 4: Simplify right side
    31,586.45x = 760,165,876.86
  5. Step 5: Solve for x
    x = 760,165,876.86/31,586.45
  6. Step 6: Final answer
    x = 24,066.21

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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.