Home / 37,285.22-51,442.02-21,149.87

Finding the Fourth Proportional to 37,285.22, 51,442.02 and 21,149.87

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Solution

The fourth proportional to 37,285.22, 51,442.02 and 21,149.87 is: 29,180.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,285.22 : 51,442.02 = 21,149.87 : x
  2. Step 2: Convert to fraction form
    37,285.22/51,442.02 = 21,149.87/x
  3. Step 3: Cross multiply
    37,285.22x = 51,442.02 × 21,149.87
  4. Step 4: Simplify right side
    37,285.22x = 1,087,992,035.54
  5. Step 5: Solve for x
    x = 1,087,992,035.54/37,285.22
  6. Step 6: Final answer
    x = 29,180.25

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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.