Home / 36,721.80-50,675.92-21,614.36

Finding the Fourth Proportional to 36,721.80, 50,675.92 and 21,614.36

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Solution

The fourth proportional to 36,721.80, 50,675.92 and 21,614.36 is: 29,827.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,721.80 : 50,675.92 = 21,614.36 : x
  2. Step 2: Convert to fraction form
    36,721.80/50,675.92 = 21,614.36/x
  3. Step 3: Cross multiply
    36,721.80x = 50,675.92 × 21,614.36
  4. Step 4: Simplify right side
    36,721.80x = 1,095,327,578.21
  5. Step 5: Solve for x
    x = 1,095,327,578.21/36,721.80
  6. Step 6: Final answer
    x = 29,827.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.