Home / 37,660.96-51,972.64-20,664.88

Finding the Fourth Proportional to 37,660.96, 51,972.64 and 20,664.88

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Solution

The fourth proportional to 37,660.96, 51,972.64 and 20,664.88 is: 28,517.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,660.96 : 51,972.64 = 20,664.88 : x
  2. Step 2: Convert to fraction form
    37,660.96/51,972.64 = 20,664.88/x
  3. Step 3: Cross multiply
    37,660.96x = 51,972.64 × 20,664.88
  4. Step 4: Simplify right side
    37,660.96x = 1,074,008,368.88
  5. Step 5: Solve for x
    x = 1,074,008,368.88/37,660.96
  6. Step 6: Final answer
    x = 28,517.82

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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.