Home / 53,163.59-79,757.73-18,103.55

Finding the Fourth Proportional to 53,163.59, 79,757.73 and 18,103.55

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Solution

The fourth proportional to 53,163.59, 79,757.73 and 18,103.55 is: 27,159.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,163.59 : 79,757.73 = 18,103.55 : x
  2. Step 2: Convert to fraction form
    53,163.59/79,757.73 = 18,103.55/x
  3. Step 3: Cross multiply
    53,163.59x = 79,757.73 × 18,103.55
  4. Step 4: Simplify right side
    53,163.59x = 1,443,897,654.15
  5. Step 5: Solve for x
    x = 1,443,897,654.15/53,163.59
  6. Step 6: Final answer
    x = 27,159.52

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1.5x scale

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.