Home / 50,722.30-76,042.23-21,162.16

Finding the Fourth Proportional to 50,722.30, 76,042.23 and 21,162.16

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Solution

The fourth proportional to 50,722.30, 76,042.23 and 21,162.16 is: 31,726.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,722.30 : 76,042.23 = 21,162.16 : x
  2. Step 2: Convert to fraction form
    50,722.30/76,042.23 = 21,162.16/x
  3. Step 3: Cross multiply
    50,722.30x = 76,042.23 × 21,162.16
  4. Step 4: Simplify right side
    50,722.30x = 1,609,217,838.02
  5. Step 5: Solve for x
    x = 1,609,217,838.02/50,722.30
  6. Step 6: Final answer
    x = 31,726.04

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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.