Home / 53,839.13-80,741.46-17,808.89

Finding the Fourth Proportional to 53,839.13, 80,741.46 and 17,808.89

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Solution

The fourth proportional to 53,839.13, 80,741.46 and 17,808.89 is: 26,707.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,839.13 : 80,741.46 = 17,808.89 : x
  2. Step 2: Convert to fraction form
    53,839.13/80,741.46 = 17,808.89/x
  3. Step 3: Cross multiply
    53,839.13x = 80,741.46 × 17,808.89
  4. Step 4: Simplify right side
    53,839.13x = 1,437,915,375.87
  5. Step 5: Solve for x
    x = 1,437,915,375.87/53,839.13
  6. Step 6: Final answer
    x = 26,707.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.