Home / 53,226.79-79,840.17-21,654.02

Finding the Fourth Proportional to 53,226.79, 79,840.17 and 21,654.02

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Solution

The fourth proportional to 53,226.79, 79,840.17 and 21,654.02 is: 32,481.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,226.79 : 79,840.17 = 21,654.02 : x
  2. Step 2: Convert to fraction form
    53,226.79/79,840.17 = 21,654.02/x
  3. Step 3: Cross multiply
    53,226.79x = 79,840.17 × 21,654.02
  4. Step 4: Simplify right side
    53,226.79x = 1,728,860,837.58
  5. Step 5: Solve for x
    x = 1,728,860,837.58/53,226.79
  6. Step 6: Final answer
    x = 32,481.03

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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.