Home / 53,238-79,869.48-18,177.72

Finding the Fourth Proportional to 53,238, 79,869.48 and 18,177.72

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Solution

The fourth proportional to 53,238, 79,869.48 and 18,177.72 is: 27,270.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,238 : 79,869.48 = 18,177.72 : x
  2. Step 2: Convert to fraction form
    53,238/79,869.48 = 18,177.72/x
  3. Step 3: Cross multiply
    53,238x = 79,869.48 × 18,177.72
  4. Step 4: Simplify right side
    53,238x = 1,451,845,043.99
  5. Step 5: Solve for x
    x = 1,451,845,043.99/53,238
  6. Step 6: Final answer
    x = 27,270.84

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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.