Home / 39,689.54-59,536.14-13,394.52

Finding the Fourth Proportional to 39,689.54, 59,536.14 and 13,394.52

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Solution

The fourth proportional to 39,689.54, 59,536.14 and 13,394.52 is: 20,092.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,689.54 : 59,536.14 = 13,394.52 : x
  2. Step 2: Convert to fraction form
    39,689.54/59,536.14 = 13,394.52/x
  3. Step 3: Cross multiply
    39,689.54x = 59,536.14 × 13,394.52
  4. Step 4: Simplify right side
    39,689.54x = 797,458,017.95
  5. Step 5: Solve for x
    x = 797,458,017.95/39,689.54
  6. Step 6: Final answer
    x = 20,092.40

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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.