Home / 32,930.72-45,451.32-30,273.92

Finding the Fourth Proportional to 32,930.72, 45,451.32 and 30,273.92

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Solution

The fourth proportional to 32,930.72, 45,451.32 and 30,273.92 is: 41,784.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,930.72 : 45,451.32 = 30,273.92 : x
  2. Step 2: Convert to fraction form
    32,930.72/45,451.32 = 30,273.92/x
  3. Step 3: Cross multiply
    32,930.72x = 45,451.32 × 30,273.92
  4. Step 4: Simplify right side
    32,930.72x = 1,375,989,625.57
  5. Step 5: Solve for x
    x = 1,375,989,625.57/32,930.72
  6. Step 6: Final answer
    x = 41,784.38

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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.