Home / 31,986.24-44,143.20-17,838.96

Finding the Fourth Proportional to 31,986.24, 44,143.20 and 17,838.96

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Solution

The fourth proportional to 31,986.24, 44,143.20 and 17,838.96 is: 24,618.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,986.24 : 44,143.20 = 17,838.96 : x
  2. Step 2: Convert to fraction form
    31,986.24/44,143.20 = 17,838.96/x
  3. Step 3: Cross multiply
    31,986.24x = 44,143.20 × 17,838.96
  4. Step 4: Simplify right side
    31,986.24x = 787,468,779.07
  5. Step 5: Solve for x
    x = 787,468,779.07/31,986.24
  6. Step 6: Final answer
    x = 24,618.99

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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.