Home / 39,854.61-59,791.14-13,559.36

Finding the Fourth Proportional to 39,854.61, 59,791.14 and 13,559.36

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Solution

The fourth proportional to 39,854.61, 59,791.14 and 13,559.36 is: 20,342.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,854.61 : 59,791.14 = 13,559.36 : x
  2. Step 2: Convert to fraction form
    39,854.61/59,791.14 = 13,559.36/x
  3. Step 3: Cross multiply
    39,854.61x = 59,791.14 × 13,559.36
  4. Step 4: Simplify right side
    39,854.61x = 810,729,293.11
  5. Step 5: Solve for x
    x = 810,729,293.11/39,854.61
  6. Step 6: Final answer
    x = 20,342.17

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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.