Home / 55,242.12-82,851.58-17,805.56

Finding the Fourth Proportional to 55,242.12, 82,851.58 and 17,805.56

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Solution

The fourth proportional to 55,242.12, 82,851.58 and 17,805.56 is: 26,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,242.12 : 82,851.58 = 17,805.56 : x
  2. Step 2: Convert to fraction form
    55,242.12/82,851.58 = 17,805.56/x
  3. Step 3: Cross multiply
    55,242.12x = 82,851.58 × 17,805.56
  4. Step 4: Simplify right side
    55,242.12x = 1,475,218,778.78
  5. Step 5: Solve for x
    x = 1,475,218,778.78/55,242.12
  6. Step 6: Final answer
    x = 26,704.60

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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.