Home / 37,380.88-51,586-20,614.48

Finding the Fourth Proportional to 37,380.88, 51,586 and 20,614.48

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Solution

The fourth proportional to 37,380.88, 51,586 and 20,614.48 is: 28,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,380.88 : 51,586 = 20,614.48 : x
  2. Step 2: Convert to fraction form
    37,380.88/51,586 = 20,614.48/x
  3. Step 3: Cross multiply
    37,380.88x = 51,586 × 20,614.48
  4. Step 4: Simplify right side
    37,380.88x = 1,063,418,565.28
  5. Step 5: Solve for x
    x = 1,063,418,565.28/37,380.88
  6. Step 6: Final answer
    x = 28,448.20

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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.