Home / 72,439.10-108,682.32-35,003.48

Finding the Fourth Proportional to 72,439.10, 108,682.32 and 35,003.48

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Solution

The fourth proportional to 72,439.10, 108,682.32 and 35,003.48 is: 52,516.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,439.10 : 108,682.32 = 35,003.48 : x
  2. Step 2: Convert to fraction form
    72,439.10/108,682.32 = 35,003.48/x
  3. Step 3: Cross multiply
    72,439.10x = 108,682.32 × 35,003.48
  4. Step 4: Simplify right side
    72,439.10x = 3,804,259,414.47
  5. Step 5: Solve for x
    x = 3,804,259,414.47/72,439.10
  6. Step 6: Final answer
    x = 52,516.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.