Home / 31,983.40-44,136.12-17,838.64

Finding the Fourth Proportional to 31,983.40, 44,136.12 and 17,838.64

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Solution

The fourth proportional to 31,983.40, 44,136.12 and 17,838.64 is: 24,616.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,983.40 : 44,136.12 = 17,838.64 : x
  2. Step 2: Convert to fraction form
    31,983.40/44,136.12 = 17,838.64/x
  3. Step 3: Cross multiply
    31,983.40x = 44,136.12 × 17,838.64
  4. Step 4: Simplify right side
    31,983.40x = 787,328,355.68
  5. Step 5: Solve for x
    x = 787,328,355.68/31,983.40
  6. Step 6: Final answer
    x = 24,616.78

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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.