Home / 35,609.88-53,377.15-13,413.65

Finding the Fourth Proportional to 35,609.88, 53,377.15 and 13,413.65

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Solution

The fourth proportional to 35,609.88, 53,377.15 and 13,413.65 is: 20,106.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,609.88 : 53,377.15 = 13,413.65 : x
  2. Step 2: Convert to fraction form
    35,609.88/53,377.15 = 13,413.65/x
  3. Step 3: Cross multiply
    35,609.88x = 53,377.15 × 13,413.65
  4. Step 4: Simplify right side
    35,609.88x = 715,982,408.10
  5. Step 5: Solve for x
    x = 715,982,408.10/35,609.88
  6. Step 6: Final answer
    x = 20,106.29

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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.