Home / 37,104.02-55,662.51-20,456.90

Finding the Fourth Proportional to 37,104.02, 55,662.51 and 20,456.90

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Solution

The fourth proportional to 37,104.02, 55,662.51 and 20,456.90 is: 30,688.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,104.02 : 55,662.51 = 20,456.90 : x
  2. Step 2: Convert to fraction form
    37,104.02/55,662.51 = 20,456.90/x
  3. Step 3: Cross multiply
    37,104.02x = 55,662.51 × 20,456.90
  4. Step 4: Simplify right side
    37,104.02x = 1,138,682,400.82
  5. Step 5: Solve for x
    x = 1,138,682,400.82/37,104.02
  6. Step 6: Final answer
    x = 30,688.92

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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.