Home / 61,021.24-91,514.19-18,324.95

Finding the Fourth Proportional to 61,021.24, 91,514.19 and 18,324.95

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Solution

The fourth proportional to 61,021.24, 91,514.19 and 18,324.95 is: 27,482.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,021.24 : 91,514.19 = 18,324.95 : x
  2. Step 2: Convert to fraction form
    61,021.24/91,514.19 = 18,324.95/x
  3. Step 3: Cross multiply
    61,021.24x = 91,514.19 × 18,324.95
  4. Step 4: Simplify right side
    61,021.24x = 1,676,992,887.32
  5. Step 5: Solve for x
    x = 1,676,992,887.32/61,021.24
  6. Step 6: Final answer
    x = 27,482.12

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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.