Home / 53,289.88-79,934.76-15,849.78

Finding the Fourth Proportional to 53,289.88, 79,934.76 and 15,849.78

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Solution

The fourth proportional to 53,289.88, 79,934.76 and 15,849.78 is: 23,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,289.88 : 79,934.76 = 15,849.78 : x
  2. Step 2: Convert to fraction form
    53,289.88/79,934.76 = 15,849.78/x
  3. Step 3: Cross multiply
    53,289.88x = 79,934.76 × 15,849.78
  4. Step 4: Simplify right side
    53,289.88x = 1,266,948,360.35
  5. Step 5: Solve for x
    x = 1,266,948,360.35/53,289.88
  6. Step 6: Final answer
    x = 23,774.65

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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.