Home / 31,698.84-43,744.40-17,551.69

Finding the Fourth Proportional to 31,698.84, 43,744.40 and 17,551.69

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Solution

The fourth proportional to 31,698.84, 43,744.40 and 17,551.69 is: 24,221.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,698.84 : 43,744.40 = 17,551.69 : x
  2. Step 2: Convert to fraction form
    31,698.84/43,744.40 = 17,551.69/x
  3. Step 3: Cross multiply
    31,698.84x = 43,744.40 × 17,551.69
  4. Step 4: Simplify right side
    31,698.84x = 767,788,115.46
  5. Step 5: Solve for x
    x = 767,788,115.46/31,698.84
  6. Step 6: Final answer
    x = 24,221.33

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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.