Home / 36,412.55-50,250.68-20,280.47

Finding the Fourth Proportional to 36,412.55, 50,250.68 and 20,280.47

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Solution

The fourth proportional to 36,412.55, 50,250.68 and 20,280.47 is: 27,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,412.55 : 50,250.68 = 20,280.47 : x
  2. Step 2: Convert to fraction form
    36,412.55/50,250.68 = 20,280.47/x
  3. Step 3: Cross multiply
    36,412.55x = 50,250.68 × 20,280.47
  4. Step 4: Simplify right side
    36,412.55x = 1,019,107,055.56
  5. Step 5: Solve for x
    x = 1,019,107,055.56/36,412.55
  6. Step 6: Final answer
    x = 27,987.80

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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.