Home / 31,770.11-43,842.80-17,622.95

Finding the Fourth Proportional to 31,770.11, 43,842.80 and 17,622.95

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Solution

The fourth proportional to 31,770.11, 43,842.80 and 17,622.95 is: 24,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,770.11 : 43,842.80 = 17,622.95 : x
  2. Step 2: Convert to fraction form
    31,770.11/43,842.80 = 17,622.95/x
  3. Step 3: Cross multiply
    31,770.11x = 43,842.80 × 17,622.95
  4. Step 4: Simplify right side
    31,770.11x = 772,639,164.93
  5. Step 5: Solve for x
    x = 772,639,164.93/31,770.11
  6. Step 6: Final answer
    x = 24,319.69

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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.