Home / 36,639.68-50,562.75-20,723.78

Finding the Fourth Proportional to 36,639.68, 50,562.75 and 20,723.78

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Solution

The fourth proportional to 36,639.68, 50,562.75 and 20,723.78 is: 28,598.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,639.68 : 50,562.75 = 20,723.78 : x
  2. Step 2: Convert to fraction form
    36,639.68/50,562.75 = 20,723.78/x
  3. Step 3: Cross multiply
    36,639.68x = 50,562.75 × 20,723.78
  4. Step 4: Simplify right side
    36,639.68x = 1,047,851,054.38
  5. Step 5: Solve for x
    x = 1,047,851,054.38/36,639.68
  6. Step 6: Final answer
    x = 28,598.81

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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.