Home / 65,414.48-90,274.76-37,122.80

Finding the Fourth Proportional to 65,414.48, 90,274.76 and 37,122.80

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Solution

The fourth proportional to 65,414.48, 90,274.76 and 37,122.80 is: 51,231.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,414.48 : 90,274.76 = 37,122.80 : x
  2. Step 2: Convert to fraction form
    65,414.48/90,274.76 = 37,122.80/x
  3. Step 3: Cross multiply
    65,414.48x = 90,274.76 × 37,122.80
  4. Step 4: Simplify right side
    65,414.48x = 3,351,251,860.53
  5. Step 5: Solve for x
    x = 3,351,251,860.53/65,414.48
  6. Step 6: Final answer
    x = 51,231.04

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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.