Home / 54,115.80-74,686.84-30,247.44

Finding the Fourth Proportional to 54,115.80, 74,686.84 and 30,247.44

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Solution

The fourth proportional to 54,115.80, 74,686.84 and 30,247.44 is: 41,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,115.80 : 74,686.84 = 30,247.44 : x
  2. Step 2: Convert to fraction form
    54,115.80/74,686.84 = 30,247.44/x
  3. Step 3: Cross multiply
    54,115.80x = 74,686.84 × 30,247.44
  4. Step 4: Simplify right side
    54,115.80x = 2,259,085,711.69
  5. Step 5: Solve for x
    x = 2,259,085,711.69/54,115.80
  6. Step 6: Final answer
    x = 41,745.40

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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.