Home / 31,433.96-43,366.49-17,997.98

Finding the Fourth Proportional to 31,433.96, 43,366.49 and 17,997.98

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Solution

The fourth proportional to 31,433.96, 43,366.49 and 17,997.98 is: 24,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,433.96 : 43,366.49 = 17,997.98 : x
  2. Step 2: Convert to fraction form
    31,433.96/43,366.49 = 17,997.98/x
  3. Step 3: Cross multiply
    31,433.96x = 43,366.49 × 17,997.98
  4. Step 4: Simplify right side
    31,433.96x = 780,509,219.69
  5. Step 5: Solve for x
    x = 780,509,219.69/31,433.96
  6. Step 6: Final answer
    x = 24,830.13

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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.