Home / 53,229.91-79,843.07-13,248.82

Finding the Fourth Proportional to 53,229.91, 79,843.07 and 13,248.82

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Solution

The fourth proportional to 53,229.91, 79,843.07 and 13,248.82 is: 19,872.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,229.91 : 79,843.07 = 13,248.82 : x
  2. Step 2: Convert to fraction form
    53,229.91/79,843.07 = 13,248.82/x
  3. Step 3: Cross multiply
    53,229.91x = 79,843.07 × 13,248.82
  4. Step 4: Simplify right side
    53,229.91x = 1,057,826,071.96
  5. Step 5: Solve for x
    x = 1,057,826,071.96/53,229.91
  6. Step 6: Final answer
    x = 19,872.78

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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.