Home / 55,159.52-76,119.90-30,009.56

Finding the Fourth Proportional to 55,159.52, 76,119.90 and 30,009.56

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Solution

The fourth proportional to 55,159.52, 76,119.90 and 30,009.56 is: 41,413.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,159.52 : 76,119.90 = 30,009.56 : x
  2. Step 2: Convert to fraction form
    55,159.52/76,119.90 = 30,009.56/x
  3. Step 3: Cross multiply
    55,159.52x = 76,119.90 × 30,009.56
  4. Step 4: Simplify right side
    55,159.52x = 2,284,324,706.24
  5. Step 5: Solve for x
    x = 2,284,324,706.24/55,159.52
  6. Step 6: Final answer
    x = 41,413.06

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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.