Home / 53,177.72-79,742.10-18,107.96

Finding the Fourth Proportional to 53,177.72, 79,742.10 and 18,107.96

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Solution

The fourth proportional to 53,177.72, 79,742.10 and 18,107.96 is: 27,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,177.72 : 79,742.10 = 18,107.96 : x
  2. Step 2: Convert to fraction form
    53,177.72/79,742.10 = 18,107.96/x
  3. Step 3: Cross multiply
    53,177.72x = 79,742.10 × 18,107.96
  4. Step 4: Simplify right side
    53,177.72x = 1,443,966,757.12
  5. Step 5: Solve for x
    x = 1,443,966,757.12/53,177.72
  6. Step 6: Final answer
    x = 27,153.60

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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.