Home / 36,531.36-50,412.12-20,615.58

Finding the Fourth Proportional to 36,531.36, 50,412.12 and 20,615.58

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Solution

The fourth proportional to 36,531.36, 50,412.12 and 20,615.58 is: 28,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,531.36 : 50,412.12 = 20,615.58 : x
  2. Step 2: Convert to fraction form
    36,531.36/50,412.12 = 20,615.58/x
  3. Step 3: Cross multiply
    36,531.36x = 50,412.12 × 20,615.58
  4. Step 4: Simplify right side
    36,531.36x = 1,039,275,092.83
  5. Step 5: Solve for x
    x = 1,039,275,092.83/36,531.36
  6. Step 6: Final answer
    x = 28,448.85

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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.