Home / 51,138.83-76,712.67-15,608.13

Finding the Fourth Proportional to 51,138.83, 76,712.67 and 15,608.13

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Solution

The fourth proportional to 51,138.83, 76,712.67 and 15,608.13 is: 23,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,138.83 : 76,712.67 = 15,608.13 : x
  2. Step 2: Convert to fraction form
    51,138.83/76,712.67 = 15,608.13/x
  3. Step 3: Cross multiply
    51,138.83x = 76,712.67 × 15,608.13
  4. Step 4: Simplify right side
    51,138.83x = 1,197,341,326.01
  5. Step 5: Solve for x
    x = 1,197,341,326.01/51,138.83
  6. Step 6: Final answer
    x = 23,413.55

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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.