Home / 38,844.79-53,610.57-21,849.75

Finding the Fourth Proportional to 38,844.79, 53,610.57 and 21,849.75

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Solution

The fourth proportional to 38,844.79, 53,610.57 and 21,849.75 is: 30,155.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,844.79 : 53,610.57 = 21,849.75 : x
  2. Step 2: Convert to fraction form
    38,844.79/53,610.57 = 21,849.75/x
  3. Step 3: Cross multiply
    38,844.79x = 53,610.57 × 21,849.75
  4. Step 4: Simplify right side
    38,844.79x = 1,171,377,551.86
  5. Step 5: Solve for x
    x = 1,171,377,551.86/38,844.79
  6. Step 6: Final answer
    x = 30,155.33

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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.