Home / 55,905.38-77,150.82-30,413.18

Finding the Fourth Proportional to 55,905.38, 77,150.82 and 30,413.18

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Solution

The fourth proportional to 55,905.38, 77,150.82 and 30,413.18 is: 41,970.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,905.38 : 77,150.82 = 30,413.18 : x
  2. Step 2: Convert to fraction form
    55,905.38/77,150.82 = 30,413.18/x
  3. Step 3: Cross multiply
    55,905.38x = 77,150.82 × 30,413.18
  4. Step 4: Simplify right side
    55,905.38x = 2,346,401,390.05
  5. Step 5: Solve for x
    x = 2,346,401,390.05/55,905.38
  6. Step 6: Final answer
    x = 41,970.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.