Home / 31,690.44-43,753.50-22,017.96

Finding the Fourth Proportional to 31,690.44, 43,753.50 and 22,017.96

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Solution

The fourth proportional to 31,690.44, 43,753.50 and 22,017.96 is: 30,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,690.44 : 43,753.50 = 22,017.96 : x
  2. Step 2: Convert to fraction form
    31,690.44/43,753.50 = 22,017.96/x
  3. Step 3: Cross multiply
    31,690.44x = 43,753.50 × 22,017.96
  4. Step 4: Simplify right side
    31,690.44x = 963,362,812.86
  5. Step 5: Solve for x
    x = 963,362,812.86/31,690.44
  6. Step 6: Final answer
    x = 30,399.16

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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.