Home / 39,867.12-59,759.64-17,690.94

Finding the Fourth Proportional to 39,867.12, 59,759.64 and 17,690.94

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Solution

The fourth proportional to 39,867.12, 59,759.64 and 17,690.94 is: 26,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,867.12 : 59,759.64 = 17,690.94 : x
  2. Step 2: Convert to fraction form
    39,867.12/59,759.64 = 17,690.94/x
  3. Step 3: Cross multiply
    39,867.12x = 59,759.64 × 17,690.94
  4. Step 4: Simplify right side
    39,867.12x = 1,057,204,205.66
  5. Step 5: Solve for x
    x = 1,057,204,205.66/39,867.12
  6. Step 6: Final answer
    x = 26,518.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.