Home / 39,815.19-59,713.14-11,727.60

Finding the Fourth Proportional to 39,815.19, 59,713.14 and 11,727.60

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Solution

The fourth proportional to 39,815.19, 59,713.14 and 11,727.60 is: 17,588.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,815.19 : 59,713.14 = 11,727.60 : x
  2. Step 2: Convert to fraction form
    39,815.19/59,713.14 = 11,727.60/x
  3. Step 3: Cross multiply
    39,815.19x = 59,713.14 × 11,727.60
  4. Step 4: Simplify right side
    39,815.19x = 700,291,820.66
  5. Step 5: Solve for x
    x = 700,291,820.66/39,815.19
  6. Step 6: Final answer
    x = 17,588.56

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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.