Home / 54,121.37-74,686.11-30,248.21

Finding the Fourth Proportional to 54,121.37, 74,686.11 and 30,248.21

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Solution

The fourth proportional to 54,121.37, 74,686.11 and 30,248.21 is: 41,741.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,121.37 : 74,686.11 = 30,248.21 : x
  2. Step 2: Convert to fraction form
    54,121.37/74,686.11 = 30,248.21/x
  3. Step 3: Cross multiply
    54,121.37x = 74,686.11 × 30,248.21
  4. Step 4: Simplify right side
    54,121.37x = 2,259,120,765.93
  5. Step 5: Solve for x
    x = 2,259,120,765.93/54,121.37
  6. Step 6: Final answer
    x = 41,741.76

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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.