Home / 53,231.15-79,843.59-19,948.43

Finding the Fourth Proportional to 53,231.15, 79,843.59 and 19,948.43

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Solution

The fourth proportional to 53,231.15, 79,843.59 and 19,948.43 is: 29,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,231.15 : 79,843.59 = 19,948.43 : x
  2. Step 2: Convert to fraction form
    53,231.15/79,843.59 = 19,948.43/x
  3. Step 3: Cross multiply
    53,231.15x = 79,843.59 × 19,948.43
  4. Step 4: Simplify right side
    53,231.15x = 1,592,754,465.67
  5. Step 5: Solve for x
    x = 1,592,754,465.67/53,231.15
  6. Step 6: Final answer
    x = 29,921.47

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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.