Home / 31,998.88-44,166.36-19,434.16

Finding the Fourth Proportional to 31,998.88, 44,166.36 and 19,434.16

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Solution

The fourth proportional to 31,998.88, 44,166.36 and 19,434.16 is: 26,823.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,998.88 : 44,166.36 = 19,434.16 : x
  2. Step 2: Convert to fraction form
    31,998.88/44,166.36 = 19,434.16/x
  3. Step 3: Cross multiply
    31,998.88x = 44,166.36 × 19,434.16
  4. Step 4: Simplify right side
    31,998.88x = 858,336,106.86
  5. Step 5: Solve for x
    x = 858,336,106.86/31,998.88
  6. Step 6: Final answer
    x = 26,823.94

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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.