Home / 38,778.90-53,519.92-23,668.42

Finding the Fourth Proportional to 38,778.90, 53,519.92 and 23,668.42

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Solution

The fourth proportional to 38,778.90, 53,519.92 and 23,668.42 is: 32,665.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,778.90 : 53,519.92 = 23,668.42 : x
  2. Step 2: Convert to fraction form
    38,778.90/53,519.92 = 23,668.42/x
  3. Step 3: Cross multiply
    38,778.90x = 53,519.92 × 23,668.42
  4. Step 4: Simplify right side
    38,778.90x = 1,266,731,944.93
  5. Step 5: Solve for x
    x = 1,266,731,944.93/38,778.90
  6. Step 6: Final answer
    x = 32,665.49

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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.