Home / 31,618.22-43,632.54-17,470.76

Finding the Fourth Proportional to 31,618.22, 43,632.54 and 17,470.76

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Solution

The fourth proportional to 31,618.22, 43,632.54 and 17,470.76 is: 24,109.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,618.22 : 43,632.54 = 17,470.76 : x
  2. Step 2: Convert to fraction form
    31,618.22/43,632.54 = 17,470.76/x
  3. Step 3: Cross multiply
    31,618.22x = 43,632.54 × 17,470.76
  4. Step 4: Simplify right side
    31,618.22x = 762,293,634.53
  5. Step 5: Solve for x
    x = 762,293,634.53/31,618.22
  6. Step 6: Final answer
    x = 24,109.32

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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.