Home / 39,701.18-59,539.22-13,042.79

Finding the Fourth Proportional to 39,701.18, 59,539.22 and 13,042.79

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Solution

The fourth proportional to 39,701.18, 59,539.22 and 13,042.79 is: 19,560.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,701.18 : 59,539.22 = 13,042.79 : x
  2. Step 2: Convert to fraction form
    39,701.18/59,539.22 = 13,042.79/x
  3. Step 3: Cross multiply
    39,701.18x = 59,539.22 × 13,042.79
  4. Step 4: Simplify right side
    39,701.18x = 776,557,724.68
  5. Step 5: Solve for x
    x = 776,557,724.68/39,701.18
  6. Step 6: Final answer
    x = 19,560.07

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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.