Home / 37,656.96-51,967.13-20,660.88

Finding the Fourth Proportional to 37,656.96, 51,967.13 and 20,660.88

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Solution

The fourth proportional to 37,656.96, 51,967.13 and 20,660.88 is: 28,512.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,656.96 : 51,967.13 = 20,660.88 : x
  2. Step 2: Convert to fraction form
    37,656.96/51,967.13 = 20,660.88/x
  3. Step 3: Cross multiply
    37,656.96x = 51,967.13 × 20,660.88
  4. Step 4: Simplify right side
    37,656.96x = 1,073,686,728.45
  5. Step 5: Solve for x
    x = 1,073,686,728.45/37,656.96
  6. Step 6: Final answer
    x = 28,512.31

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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.