Home / 53,668.14-80,502.22-20,388.12

Finding the Fourth Proportional to 53,668.14, 80,502.22 and 20,388.12

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Solution

The fourth proportional to 53,668.14, 80,502.22 and 20,388.12 is: 30,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,668.14 : 80,502.22 = 20,388.12 : x
  2. Step 2: Convert to fraction form
    53,668.14/80,502.22 = 20,388.12/x
  3. Step 3: Cross multiply
    53,668.14x = 80,502.22 × 20,388.12
  4. Step 4: Simplify right side
    53,668.14x = 1,641,288,921.63
  5. Step 5: Solve for x
    x = 1,641,288,921.63/53,668.14
  6. Step 6: Final answer
    x = 30,582.18

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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.