Home / 37,659.57-51,968.45-20,663.43

Finding the Fourth Proportional to 37,659.57, 51,968.45 and 20,663.43

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Solution

The fourth proportional to 37,659.57, 51,968.45 and 20,663.43 is: 28,514.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,659.57 : 51,968.45 = 20,663.43 : x
  2. Step 2: Convert to fraction form
    37,659.57/51,968.45 = 20,663.43/x
  3. Step 3: Cross multiply
    37,659.57x = 51,968.45 × 20,663.43
  4. Step 4: Simplify right side
    37,659.57x = 1,073,846,428.78
  5. Step 5: Solve for x
    x = 1,073,846,428.78/37,659.57
  6. Step 6: Final answer
    x = 28,514.57

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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.