Home / 36,756.50-50,729.63-20,837.57

Finding the Fourth Proportional to 36,756.50, 50,729.63 and 20,837.57

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Solution

The fourth proportional to 36,756.50, 50,729.63 and 20,837.57 is: 28,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,756.50 : 50,729.63 = 20,837.57 : x
  2. Step 2: Convert to fraction form
    36,756.50/50,729.63 = 20,837.57/x
  3. Step 3: Cross multiply
    36,756.50x = 50,729.63 × 20,837.57
  4. Step 4: Simplify right side
    36,756.50x = 1,057,081,858.36
  5. Step 5: Solve for x
    x = 1,057,081,858.36/36,756.50
  6. Step 6: Final answer
    x = 28,759.05

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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.