Home / 37,658.62-51,969.45-20,664.55

Finding the Fourth Proportional to 37,658.62, 51,969.45 and 20,664.55

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Solution

The fourth proportional to 37,658.62, 51,969.45 and 20,664.55 is: 28,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,658.62 : 51,969.45 = 20,664.55 : x
  2. Step 2: Convert to fraction form
    37,658.62/51,969.45 = 20,664.55/x
  3. Step 3: Cross multiply
    37,658.62x = 51,969.45 × 20,664.55
  4. Step 4: Simplify right side
    37,658.62x = 1,073,925,298.00
  5. Step 5: Solve for x
    x = 1,073,925,298.00/37,658.62
  6. Step 6: Final answer
    x = 28,517.38

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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.