Home / 37,443.20-51,671.12-20,449.02

Finding the Fourth Proportional to 37,443.20, 51,671.12 and 20,449.02

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Solution

The fourth proportional to 37,443.20, 51,671.12 and 20,449.02 is: 28,219.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,443.20 : 51,671.12 = 20,449.02 : x
  2. Step 2: Convert to fraction form
    37,443.20/51,671.12 = 20,449.02/x
  3. Step 3: Cross multiply
    37,443.20x = 51,671.12 × 20,449.02
  4. Step 4: Simplify right side
    37,443.20x = 1,056,623,766.30
  5. Step 5: Solve for x
    x = 1,056,623,766.30/37,443.20
  6. Step 6: Final answer
    x = 28,219.38

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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.