Home / 53,380.64-73,668.12-30,723.08

Finding the Fourth Proportional to 53,380.64, 73,668.12 and 30,723.08

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Solution

The fourth proportional to 53,380.64, 73,668.12 and 30,723.08 is: 42,399.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,380.64 : 73,668.12 = 30,723.08 : x
  2. Step 2: Convert to fraction form
    53,380.64/73,668.12 = 30,723.08/x
  3. Step 3: Cross multiply
    53,380.64x = 73,668.12 × 30,723.08
  4. Step 4: Simplify right side
    53,380.64x = 2,263,311,544.21
  5. Step 5: Solve for x
    x = 2,263,311,544.21/53,380.64
  6. Step 6: Final answer
    x = 42,399.48

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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.