Home / 23,339.89-34,939.63-21,342.97

Finding the Fourth Proportional to 23,339.89, 34,939.63 and 21,342.97

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Solution

The fourth proportional to 23,339.89, 34,939.63 and 21,342.97 is: 31,950.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,339.89 : 34,939.63 = 21,342.97 : x
  2. Step 2: Convert to fraction form
    23,339.89/34,939.63 = 21,342.97/x
  3. Step 3: Cross multiply
    23,339.89x = 34,939.63 × 21,342.97
  4. Step 4: Simplify right side
    23,339.89x = 745,715,474.90
  5. Step 5: Solve for x
    x = 745,715,474.90/23,339.89
  6. Step 6: Final answer
    x = 31,950.26

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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.