Home / 43,632.48-65,439-20,246.16

Finding the Fourth Proportional to 43,632.48, 65,439 and 20,246.16

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Solution

The fourth proportional to 43,632.48, 65,439 and 20,246.16 is: 30,364.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,632.48 : 65,439 = 20,246.16 : x
  2. Step 2: Convert to fraction form
    43,632.48/65,439 = 20,246.16/x
  3. Step 3: Cross multiply
    43,632.48x = 65,439 × 20,246.16
  4. Step 4: Simplify right side
    43,632.48x = 1,324,888,464.24
  5. Step 5: Solve for x
    x = 1,324,888,464.24/43,632.48
  6. Step 6: Final answer
    x = 30,364.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.