Home / 31,705.31-43,756.26-17,558.16

Finding the Fourth Proportional to 31,705.31, 43,756.26 and 17,558.16

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Solution

The fourth proportional to 31,705.31, 43,756.26 and 17,558.16 is: 24,231.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,705.31 : 43,756.26 = 17,558.16 : x
  2. Step 2: Convert to fraction form
    31,705.31/43,756.26 = 17,558.16/x
  3. Step 3: Cross multiply
    31,705.31x = 43,756.26 × 17,558.16
  4. Step 4: Simplify right side
    31,705.31x = 768,279,414.08
  5. Step 5: Solve for x
    x = 768,279,414.08/31,705.31
  6. Step 6: Final answer
    x = 24,231.88

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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.