Home / 39,068.28-53,914.48-21,163.28

Finding the Fourth Proportional to 39,068.28, 53,914.48 and 21,163.28

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Solution

The fourth proportional to 39,068.28, 53,914.48 and 21,163.28 is: 29,205.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,068.28 : 53,914.48 = 21,163.28 : x
  2. Step 2: Convert to fraction form
    39,068.28/53,914.48 = 21,163.28/x
  3. Step 3: Cross multiply
    39,068.28x = 53,914.48 × 21,163.28
  4. Step 4: Simplify right side
    39,068.28x = 1,141,007,236.29
  5. Step 5: Solve for x
    x = 1,141,007,236.29/39,068.28
  6. Step 6: Final answer
    x = 29,205.47

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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.