Home / 53,839.03-74,296.55-29,639.80

Finding the Fourth Proportional to 53,839.03, 74,296.55 and 29,639.80

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Solution

The fourth proportional to 53,839.03, 74,296.55 and 29,639.80 is: 40,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,839.03 : 74,296.55 = 29,639.80 : x
  2. Step 2: Convert to fraction form
    53,839.03/74,296.55 = 29,639.80/x
  3. Step 3: Cross multiply
    53,839.03x = 74,296.55 × 29,639.80
  4. Step 4: Simplify right side
    53,839.03x = 2,202,134,659.90
  5. Step 5: Solve for x
    x = 2,202,134,659.90/53,839.03
  6. Step 6: Final answer
    x = 40,902.20

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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.