Home / 31,867.68-43,959.47-19,117.47

Finding the Fourth Proportional to 31,867.68, 43,959.47 and 19,117.47

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Solution

The fourth proportional to 31,867.68, 43,959.47 and 19,117.47 is: 26,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,867.68 : 43,959.47 = 19,117.47 : x
  2. Step 2: Convert to fraction form
    31,867.68/43,959.47 = 19,117.47/x
  3. Step 3: Cross multiply
    31,867.68x = 43,959.47 × 19,117.47
  4. Step 4: Simplify right side
    31,867.68x = 840,393,753.35
  5. Step 5: Solve for x
    x = 840,393,753.35/31,867.68
  6. Step 6: Final answer
    x = 26,371.35

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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.