Home / 31,985.28-44,137.44-17,838.90

Finding the Fourth Proportional to 31,985.28, 44,137.44 and 17,838.90

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Solution

The fourth proportional to 31,985.28, 44,137.44 and 17,838.90 is: 24,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,985.28 : 44,137.44 = 17,838.90 : x
  2. Step 2: Convert to fraction form
    31,985.28/44,137.44 = 17,838.90/x
  3. Step 3: Cross multiply
    31,985.28x = 44,137.44 × 17,838.90
  4. Step 4: Simplify right side
    31,985.28x = 787,363,378.42
  5. Step 5: Solve for x
    x = 787,363,378.42/31,985.28
  6. Step 6: Final answer
    x = 24,616.43

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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.