Home / 39,068.96-53,915.43-21,163.97

Finding the Fourth Proportional to 39,068.96, 53,915.43 and 21,163.97

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Solution

The fourth proportional to 39,068.96, 53,915.43 and 21,163.97 is: 29,206.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,068.96 : 53,915.43 = 21,163.97 : x
  2. Step 2: Convert to fraction form
    39,068.96/53,915.43 = 21,163.97/x
  3. Step 3: Cross multiply
    39,068.96x = 53,915.43 × 21,163.97
  4. Step 4: Simplify right side
    39,068.96x = 1,141,064,437.24
  5. Step 5: Solve for x
    x = 1,141,064,437.24/39,068.96
  6. Step 6: Final answer
    x = 29,206.42

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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.