Home / 39,099.64-53,957.19-21,194.17

Finding the Fourth Proportional to 39,099.64, 53,957.19 and 21,194.17

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Solution

The fourth proportional to 39,099.64, 53,957.19 and 21,194.17 is: 29,247.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,099.64 : 53,957.19 = 21,194.17 : x
  2. Step 2: Convert to fraction form
    39,099.64/53,957.19 = 21,194.17/x
  3. Step 3: Cross multiply
    39,099.64x = 53,957.19 × 21,194.17
  4. Step 4: Simplify right side
    39,099.64x = 1,143,577,857.58
  5. Step 5: Solve for x
    x = 1,143,577,857.58/39,099.64
  6. Step 6: Final answer
    x = 29,247.78

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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.