Home / 37,665.61-51,976.79-20,669.43

Finding the Fourth Proportional to 37,665.61, 51,976.79 and 20,669.43

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Solution

The fourth proportional to 37,665.61, 51,976.79 and 20,669.43 is: 28,522.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,665.61 : 51,976.79 = 20,669.43 : x
  2. Step 2: Convert to fraction form
    37,665.61/51,976.79 = 20,669.43/x
  3. Step 3: Cross multiply
    37,665.61x = 51,976.79 × 20,669.43
  4. Step 4: Simplify right side
    37,665.61x = 1,074,330,622.53
  5. Step 5: Solve for x
    x = 1,074,330,622.53/37,665.61
  6. Step 6: Final answer
    x = 28,522.85

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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.