Home / 29,138.78-43,697.45-10,413.75

Finding the Fourth Proportional to 29,138.78, 43,697.45 and 10,413.75

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Solution

The fourth proportional to 29,138.78, 43,697.45 and 10,413.75 is: 15,616.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138.78 : 43,697.45 = 10,413.75 : x
  2. Step 2: Convert to fraction form
    29,138.78/43,697.45 = 10,413.75/x
  3. Step 3: Cross multiply
    29,138.78x = 43,697.45 × 10,413.75
  4. Step 4: Simplify right side
    29,138.78x = 455,054,267.87
  5. Step 5: Solve for x
    x = 455,054,267.87/29,138.78
  6. Step 6: Final answer
    x = 15,616.79

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1.5x scale

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.