Home / 53,103.98-79,656.17-21,514.64

Finding the Fourth Proportional to 53,103.98, 79,656.17 and 21,514.64

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Solution

The fourth proportional to 53,103.98, 79,656.17 and 21,514.64 is: 32,272.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,103.98 : 79,656.17 = 21,514.64 : x
  2. Step 2: Convert to fraction form
    53,103.98/79,656.17 = 21,514.64/x
  3. Step 3: Cross multiply
    53,103.98x = 79,656.17 × 21,514.64
  4. Step 4: Simplify right side
    53,103.98x = 1,713,773,315.47
  5. Step 5: Solve for x
    x = 1,713,773,315.47/53,103.98
  6. Step 6: Final answer
    x = 32,272.03

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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.