Home / 65,382.49-90,225.17-37,087.57

Finding the Fourth Proportional to 65,382.49, 90,225.17 and 37,087.57

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Solution

The fourth proportional to 65,382.49, 90,225.17 and 37,087.57 is: 51,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,382.49 : 90,225.17 = 37,087.57 : x
  2. Step 2: Convert to fraction form
    65,382.49/90,225.17 = 37,087.57/x
  3. Step 3: Cross multiply
    65,382.49x = 90,225.17 × 37,087.57
  4. Step 4: Simplify right side
    65,382.49x = 3,346,231,949.73
  5. Step 5: Solve for x
    x = 3,346,231,949.73/65,382.49
  6. Step 6: Final answer
    x = 51,179.33

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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.