Home / 53,290.04-79,905.62-21,691.97

Finding the Fourth Proportional to 53,290.04, 79,905.62 and 21,691.97

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Solution

The fourth proportional to 53,290.04, 79,905.62 and 21,691.97 is: 32,525.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,290.04 : 79,905.62 = 21,691.97 : x
  2. Step 2: Convert to fraction form
    53,290.04/79,905.62 = 21,691.97/x
  3. Step 3: Cross multiply
    53,290.04x = 79,905.62 × 21,691.97
  4. Step 4: Simplify right side
    53,290.04x = 1,733,310,266.22
  5. Step 5: Solve for x
    x = 1,733,310,266.22/53,290.04
  6. Step 6: Final answer
    x = 32,525.97

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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.