Home / 31,065.03-42,868.26-17,634.51

Finding the Fourth Proportional to 31,065.03, 42,868.26 and 17,634.51

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Solution

The fourth proportional to 31,065.03, 42,868.26 and 17,634.51 is: 24,334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,065.03 : 42,868.26 = 17,634.51 : x
  2. Step 2: Convert to fraction form
    31,065.03/42,868.26 = 17,634.51/x
  3. Step 3: Cross multiply
    31,065.03x = 42,868.26 × 17,634.51
  4. Step 4: Simplify right side
    31,065.03x = 755,960,759.65
  5. Step 5: Solve for x
    x = 755,960,759.65/31,065.03
  6. Step 6: Final answer
    x = 24,334.78

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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.