Home / 55,160.14-76,121.32-30,009.82

Finding the Fourth Proportional to 55,160.14, 76,121.32 and 30,009.82

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Solution

The fourth proportional to 55,160.14, 76,121.32 and 30,009.82 is: 41,413.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,160.14 : 76,121.32 = 30,009.82 : x
  2. Step 2: Convert to fraction form
    55,160.14/76,121.32 = 30,009.82/x
  3. Step 3: Cross multiply
    55,160.14x = 76,121.32 × 30,009.82
  4. Step 4: Simplify right side
    55,160.14x = 2,284,386,730.76
  5. Step 5: Solve for x
    x = 2,284,386,730.76/55,160.14
  6. Step 6: Final answer
    x = 41,413.73

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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.