Home / 39,069.06-53,915.44-21,164.02

Finding the Fourth Proportional to 39,069.06, 53,915.44 and 21,164.02

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Solution

The fourth proportional to 39,069.06, 53,915.44 and 21,164.02 is: 29,206.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,069.06 : 53,915.44 = 21,164.02 : x
  2. Step 2: Convert to fraction form
    39,069.06/53,915.44 = 21,164.02/x
  3. Step 3: Cross multiply
    39,069.06x = 53,915.44 × 21,164.02
  4. Step 4: Simplify right side
    39,069.06x = 1,141,067,503.38
  5. Step 5: Solve for x
    x = 1,141,067,503.38/39,069.06
  6. Step 6: Final answer
    x = 29,206.43

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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.