Home / 65,829.62-90,844.82-35,614.95

Finding the Fourth Proportional to 65,829.62, 90,844.82 and 35,614.95

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Solution

The fourth proportional to 65,829.62, 90,844.82 and 35,614.95 is: 49,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,829.62 : 90,844.82 = 35,614.95 : x
  2. Step 2: Convert to fraction form
    65,829.62/90,844.82 = 35,614.95/x
  3. Step 3: Cross multiply
    65,829.62x = 90,844.82 × 35,614.95
  4. Step 4: Simplify right side
    65,829.62x = 3,235,433,470.43
  5. Step 5: Solve for x
    x = 3,235,433,470.43/65,829.62
  6. Step 6: Final answer
    x = 49,148.60

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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.