Home / 36,639.81-50,561.42-20,724.53

Finding the Fourth Proportional to 36,639.81, 50,561.42 and 20,724.53

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Solution

The fourth proportional to 36,639.81, 50,561.42 and 20,724.53 is: 28,598.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,639.81 : 50,561.42 = 20,724.53 : x
  2. Step 2: Convert to fraction form
    36,639.81/50,561.42 = 20,724.53/x
  3. Step 3: Cross multiply
    36,639.81x = 50,561.42 × 20,724.53
  4. Step 4: Simplify right side
    36,639.81x = 1,047,861,309.20
  5. Step 5: Solve for x
    x = 1,047,861,309.20/36,639.81
  6. Step 6: Final answer
    x = 28,598.98

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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.