Home / 36,781.07-50,756.34-20,868.53

Finding the Fourth Proportional to 36,781.07, 50,756.34 and 20,868.53

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Solution

The fourth proportional to 36,781.07, 50,756.34 and 20,868.53 is: 28,797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,781.07 : 50,756.34 = 20,868.53 : x
  2. Step 2: Convert to fraction form
    36,781.07/50,756.34 = 20,868.53/x
  3. Step 3: Cross multiply
    36,781.07x = 50,756.34 × 20,868.53
  4. Step 4: Simplify right side
    36,781.07x = 1,059,209,950.20
  5. Step 5: Solve for x
    x = 1,059,209,950.20/36,781.07
  6. Step 6: Final answer
    x = 28,797.70

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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.