Home / 65,914.05-90,966.99-37,238.97

Finding the Fourth Proportional to 65,914.05, 90,966.99 and 37,238.97

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Solution

The fourth proportional to 65,914.05, 90,966.99 and 37,238.97 is: 51,392.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,914.05 : 90,966.99 = 37,238.97 : x
  2. Step 2: Convert to fraction form
    65,914.05/90,966.99 = 37,238.97/x
  3. Step 3: Cross multiply
    65,914.05x = 90,966.99 × 37,238.97
  4. Step 4: Simplify right side
    65,914.05x = 3,387,517,011.60
  5. Step 5: Solve for x
    x = 3,387,517,011.60/65,914.05
  6. Step 6: Final answer
    x = 51,392.94

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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.