Home / 37,557-51,829.20-20,791.08

Finding the Fourth Proportional to 37,557, 51,829.20 and 20,791.08

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Solution

The fourth proportional to 37,557, 51,829.20 and 20,791.08 is: 28,691.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,557 : 51,829.20 = 20,791.08 : x
  2. Step 2: Convert to fraction form
    37,557/51,829.20 = 20,791.08/x
  3. Step 3: Cross multiply
    37,557x = 51,829.20 × 20,791.08
  4. Step 4: Simplify right side
    37,557x = 1,077,585,043.54
  5. Step 5: Solve for x
    x = 1,077,585,043.54/37,557
  6. Step 6: Final answer
    x = 28,691.99

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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.