Home / 31,872.16-43,983.84-17,724.70

Finding the Fourth Proportional to 31,872.16, 43,983.84 and 17,724.70

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Solution

The fourth proportional to 31,872.16, 43,983.84 and 17,724.70 is: 24,460.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872.16 : 43,983.84 = 17,724.70 : x
  2. Step 2: Convert to fraction form
    31,872.16/43,983.84 = 17,724.70/x
  3. Step 3: Cross multiply
    31,872.16x = 43,983.84 × 17,724.70
  4. Step 4: Simplify right side
    31,872.16x = 779,600,368.85
  5. Step 5: Solve for x
    x = 779,600,368.85/31,872.16
  6. Step 6: Final answer
    x = 24,460.23

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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.