Home / 36,729.62-50,686.68-20,817.08

Finding the Fourth Proportional to 36,729.62, 50,686.68 and 20,817.08

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Solution

The fourth proportional to 36,729.62, 50,686.68 and 20,817.08 is: 28,727.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,729.62 : 50,686.68 = 20,817.08 : x
  2. Step 2: Convert to fraction form
    36,729.62/50,686.68 = 20,817.08/x
  3. Step 3: Cross multiply
    36,729.62x = 50,686.68 × 20,817.08
  4. Step 4: Simplify right side
    36,729.62x = 1,055,148,672.49
  5. Step 5: Solve for x
    x = 1,055,148,672.49/36,729.62
  6. Step 6: Final answer
    x = 28,727.46

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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.