Home / 37,442.72-51,671.05-20,447.00

Finding the Fourth Proportional to 37,442.72, 51,671.05 and 20,447.00

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Solution

The fourth proportional to 37,442.72, 51,671.05 and 20,447.00 is: 28,216.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,442.72 : 51,671.05 = 20,447.00 : x
  2. Step 2: Convert to fraction form
    37,442.72/51,671.05 = 20,447.00/x
  3. Step 3: Cross multiply
    37,442.72x = 51,671.05 × 20,447.00
  4. Step 4: Simplify right side
    37,442.72x = 1,056,517,649.88
  5. Step 5: Solve for x
    x = 1,056,517,649.88/37,442.72
  6. Step 6: Final answer
    x = 28,216.91

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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.