Home / 37,057.02-51,138.18-20,290.02

Finding the Fourth Proportional to 37,057.02, 51,138.18 and 20,290.02

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Solution

The fourth proportional to 37,057.02, 51,138.18 and 20,290.02 is: 27,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,057.02 : 51,138.18 = 20,290.02 : x
  2. Step 2: Convert to fraction form
    37,057.02/51,138.18 = 20,290.02/x
  3. Step 3: Cross multiply
    37,057.02x = 51,138.18 × 20,290.02
  4. Step 4: Simplify right side
    37,057.02x = 1,037,594,694.96
  5. Step 5: Solve for x
    x = 1,037,594,694.96/37,057.02
  6. Step 6: Final answer
    x = 27,999.95

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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.