Home / 31,951.88-44,097.84-18,345.28

Finding the Fourth Proportional to 31,951.88, 44,097.84 and 18,345.28

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Solution

The fourth proportional to 31,951.88, 44,097.84 and 18,345.28 is: 25,318.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,951.88 : 44,097.84 = 18,345.28 : x
  2. Step 2: Convert to fraction form
    31,951.88/44,097.84 = 18,345.28/x
  3. Step 3: Cross multiply
    31,951.88x = 44,097.84 × 18,345.28
  4. Step 4: Simplify right side
    31,951.88x = 808,987,222.20
  5. Step 5: Solve for x
    x = 808,987,222.20/31,951.88
  6. Step 6: Final answer
    x = 25,318.92

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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.