Home / 37,269.99-51,433.55-20,275.20

Finding the Fourth Proportional to 37,269.99, 51,433.55 and 20,275.20

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Solution

The fourth proportional to 37,269.99, 51,433.55 and 20,275.20 is: 27,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,269.99 : 51,433.55 = 20,275.20 : x
  2. Step 2: Convert to fraction form
    37,269.99/51,433.55 = 20,275.20/x
  3. Step 3: Cross multiply
    37,269.99x = 51,433.55 × 20,275.20
  4. Step 4: Simplify right side
    37,269.99x = 1,042,825,512.96
  5. Step 5: Solve for x
    x = 1,042,825,512.96/37,269.99
  6. Step 6: Final answer
    x = 27,980.30

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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.