Home / 45,665.50-63,020.79-27,757.60

Finding the Fourth Proportional to 45,665.50, 63,020.79 and 27,757.60

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Solution

The fourth proportional to 45,665.50, 63,020.79 and 27,757.60 is: 38,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,665.50 : 63,020.79 = 27,757.60 : x
  2. Step 2: Convert to fraction form
    45,665.50/63,020.79 = 27,757.60/x
  3. Step 3: Cross multiply
    45,665.50x = 63,020.79 × 27,757.60
  4. Step 4: Simplify right side
    45,665.50x = 1,749,305,880.50
  5. Step 5: Solve for x
    x = 1,749,305,880.50/45,665.50
  6. Step 6: Final answer
    x = 38,306.95

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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.