Home / 53,121.30-79,585.83-38,249.70

Finding the Fourth Proportional to 53,121.30, 79,585.83 and 38,249.70

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Solution

The fourth proportional to 53,121.30, 79,585.83 and 38,249.70 is: 57,305.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,121.30 : 79,585.83 = 38,249.70 : x
  2. Step 2: Convert to fraction form
    53,121.30/79,585.83 = 38,249.70/x
  3. Step 3: Cross multiply
    53,121.30x = 79,585.83 × 38,249.70
  4. Step 4: Simplify right side
    53,121.30x = 3,044,134,121.75
  5. Step 5: Solve for x
    x = 3,044,134,121.75/53,121.30
  6. Step 6: Final answer
    x = 57,305.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.