Home / 54,644.29-75,409.40-30,771.38

Finding the Fourth Proportional to 54,644.29, 75,409.40 and 30,771.38

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Solution

The fourth proportional to 54,644.29, 75,409.40 and 30,771.38 is: 42,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,644.29 : 75,409.40 = 30,771.38 : x
  2. Step 2: Convert to fraction form
    54,644.29/75,409.40 = 30,771.38/x
  3. Step 3: Cross multiply
    54,644.29x = 75,409.40 × 30,771.38
  4. Step 4: Simplify right side
    54,644.29x = 2,320,451,149.12
  5. Step 5: Solve for x
    x = 2,320,451,149.12/54,644.29
  6. Step 6: Final answer
    x = 42,464.66

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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.