Home / 37,663.95-51,976.11-20,668.48

Finding the Fourth Proportional to 37,663.95, 51,976.11 and 20,668.48

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Solution

The fourth proportional to 37,663.95, 51,976.11 and 20,668.48 is: 28,522.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,663.95 : 51,976.11 = 20,668.48 : x
  2. Step 2: Convert to fraction form
    37,663.95/51,976.11 = 20,668.48/x
  3. Step 3: Cross multiply
    37,663.95x = 51,976.11 × 20,668.48
  4. Step 4: Simplify right side
    37,663.95x = 1,074,266,982.57
  5. Step 5: Solve for x
    x = 1,074,266,982.57/37,663.95
  6. Step 6: Final answer
    x = 28,522.42

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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.