Home / 66,509.43-91,782.24-36,295.26

Finding the Fourth Proportional to 66,509.43, 91,782.24 and 36,295.26

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Solution

The fourth proportional to 66,509.43, 91,782.24 and 36,295.26 is: 50,087.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,509.43 : 91,782.24 = 36,295.26 : x
  2. Step 2: Convert to fraction form
    66,509.43/91,782.24 = 36,295.26/x
  3. Step 3: Cross multiply
    66,509.43x = 91,782.24 × 36,295.26
  4. Step 4: Simplify right side
    66,509.43x = 3,331,260,660.38
  5. Step 5: Solve for x
    x = 3,331,260,660.38/66,509.43
  6. Step 6: Final answer
    x = 50,087.04

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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.