Home / 31,865.94-43,972.20-17,719.56

Finding the Fourth Proportional to 31,865.94, 43,972.20 and 17,719.56

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Solution

The fourth proportional to 31,865.94, 43,972.20 and 17,719.56 is: 24,451.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,865.94 : 43,972.20 = 17,719.56 : x
  2. Step 2: Convert to fraction form
    31,865.94/43,972.20 = 17,719.56/x
  3. Step 3: Cross multiply
    31,865.94x = 43,972.20 × 17,719.56
  4. Step 4: Simplify right side
    31,865.94x = 779,168,036.23
  5. Step 5: Solve for x
    x = 779,168,036.23/31,865.94
  6. Step 6: Final answer
    x = 24,451.44

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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.