Home / 36,291.06-50,077.80-20,377.26

Finding the Fourth Proportional to 36,291.06, 50,077.80 and 20,377.26

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Solution

The fourth proportional to 36,291.06, 50,077.80 and 20,377.26 is: 28,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,291.06 : 50,077.80 = 20,377.26 : x
  2. Step 2: Convert to fraction form
    36,291.06/50,077.80 = 20,377.26/x
  3. Step 3: Cross multiply
    36,291.06x = 50,077.80 × 20,377.26
  4. Step 4: Simplify right side
    36,291.06x = 1,020,448,350.83
  5. Step 5: Solve for x
    x = 1,020,448,350.83/36,291.06
  6. Step 6: Final answer
    x = 28,118.45

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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.