Home / 36,128.50-49,888.11-22,722.19

Finding the Fourth Proportional to 36,128.50, 49,888.11 and 22,722.19

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Solution

The fourth proportional to 36,128.50, 49,888.11 and 22,722.19 is: 31,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,128.50 : 49,888.11 = 22,722.19 : x
  2. Step 2: Convert to fraction form
    36,128.50/49,888.11 = 22,722.19/x
  3. Step 3: Cross multiply
    36,128.50x = 49,888.11 × 22,722.19
  4. Step 4: Simplify right side
    36,128.50x = 1,133,567,114.16
  5. Step 5: Solve for x
    x = 1,133,567,114.16/36,128.50
  6. Step 6: Final answer
    x = 31,375.98

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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.