Home / 36,685.76-50,629.14-20,772.59

Finding the Fourth Proportional to 36,685.76, 50,629.14 and 20,772.59

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Solution

The fourth proportional to 36,685.76, 50,629.14 and 20,772.59 is: 28,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,685.76 : 50,629.14 = 20,772.59 : x
  2. Step 2: Convert to fraction form
    36,685.76/50,629.14 = 20,772.59/x
  3. Step 3: Cross multiply
    36,685.76x = 50,629.14 × 20,772.59
  4. Step 4: Simplify right side
    36,685.76x = 1,051,698,114.13
  5. Step 5: Solve for x
    x = 1,051,698,114.13/36,685.76
  6. Step 6: Final answer
    x = 28,667.75

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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.