Home / 31,719.39-43,770.87-17,376.35

Finding the Fourth Proportional to 31,719.39, 43,770.87 and 17,376.35

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Solution

The fourth proportional to 31,719.39, 43,770.87 and 17,376.35 is: 23,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,719.39 : 43,770.87 = 17,376.35 : x
  2. Step 2: Convert to fraction form
    31,719.39/43,770.87 = 17,376.35/x
  3. Step 3: Cross multiply
    31,719.39x = 43,770.87 × 17,376.35
  4. Step 4: Simplify right side
    31,719.39x = 760,577,956.92
  5. Step 5: Solve for x
    x = 760,577,956.92/31,719.39
  6. Step 6: Final answer
    x = 23,978.33

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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.