Home / 69,671.38-96,147.21-37,840.90

Finding the Fourth Proportional to 69,671.38, 96,147.21 and 37,840.90

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Solution

The fourth proportional to 69,671.38, 96,147.21 and 37,840.90 is: 52,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,671.38 : 96,147.21 = 37,840.90 : x
  2. Step 2: Convert to fraction form
    69,671.38/96,147.21 = 37,840.90/x
  3. Step 3: Cross multiply
    69,671.38x = 96,147.21 × 37,840.90
  4. Step 4: Simplify right side
    69,671.38x = 3,638,296,958.89
  5. Step 5: Solve for x
    x = 3,638,296,958.89/69,671.38
  6. Step 6: Final answer
    x = 52,220.83

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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.