Home / 39,068.97-53,915.25-21,164.13

Finding the Fourth Proportional to 39,068.97, 53,915.25 and 21,164.13

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Solution

The fourth proportional to 39,068.97, 53,915.25 and 21,164.13 is: 29,206.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,068.97 : 53,915.25 = 21,164.13 : x
  2. Step 2: Convert to fraction form
    39,068.97/53,915.25 = 21,164.13/x
  3. Step 3: Cross multiply
    39,068.97x = 53,915.25 × 21,164.13
  4. Step 4: Simplify right side
    39,068.97x = 1,141,069,359.98
  5. Step 5: Solve for x
    x = 1,141,069,359.98/39,068.97
  6. Step 6: Final answer
    x = 29,206.54

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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.