Home / 31,586.39-43,589.19-17,439.32

Finding the Fourth Proportional to 31,586.39, 43,589.19 and 17,439.32

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Solution

The fourth proportional to 31,586.39, 43,589.19 and 17,439.32 is: 24,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586.39 : 43,589.19 = 17,439.32 : x
  2. Step 2: Convert to fraction form
    31,586.39/43,589.19 = 17,439.32/x
  3. Step 3: Cross multiply
    31,586.39x = 43,589.19 × 17,439.32
  4. Step 4: Simplify right side
    31,586.39x = 760,165,832.95
  5. Step 5: Solve for x
    x = 760,165,832.95/31,586.39
  6. Step 6: Final answer
    x = 24,066.25

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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.