Home / 65,711.97-90,680.99-37,033.05

Finding the Fourth Proportional to 65,711.97, 90,680.99 and 37,033.05

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Solution

The fourth proportional to 65,711.97, 90,680.99 and 37,033.05 is: 51,104.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,711.97 : 90,680.99 = 37,033.05 : x
  2. Step 2: Convert to fraction form
    65,711.97/90,680.99 = 37,033.05/x
  3. Step 3: Cross multiply
    65,711.97x = 90,680.99 × 37,033.05
  4. Step 4: Simplify right side
    65,711.97x = 3,358,193,451.55
  5. Step 5: Solve for x
    x = 3,358,193,451.55/65,711.97
  6. Step 6: Final answer
    x = 51,104.74

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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.