Home / 39,199.92-54,097.02-21,296.04

Finding the Fourth Proportional to 39,199.92, 54,097.02 and 21,296.04

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Solution

The fourth proportional to 39,199.92, 54,097.02 and 21,296.04 is: 29,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,199.92 : 54,097.02 = 21,296.04 : x
  2. Step 2: Convert to fraction form
    39,199.92/54,097.02 = 21,296.04/x
  3. Step 3: Cross multiply
    39,199.92x = 54,097.02 × 21,296.04
  4. Step 4: Simplify right side
    39,199.92x = 1,152,052,301.80
  5. Step 5: Solve for x
    x = 1,152,052,301.80/39,199.92
  6. Step 6: Final answer
    x = 29,389.15

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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.