Home / 36,531.16-50,412.99-20,615.56

Finding the Fourth Proportional to 36,531.16, 50,412.99 and 20,615.56

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Solution

The fourth proportional to 36,531.16, 50,412.99 and 20,615.56 is: 28,449.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,531.16 : 50,412.99 = 20,615.56 : x
  2. Step 2: Convert to fraction form
    36,531.16/50,412.99 = 20,615.56/x
  3. Step 3: Cross multiply
    36,531.16x = 50,412.99 × 20,615.56
  4. Step 4: Simplify right side
    36,531.16x = 1,039,292,020.12
  5. Step 5: Solve for x
    x = 1,039,292,020.12/36,531.16
  6. Step 6: Final answer
    x = 28,449.47

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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.