Home / 48,122.79-66,414.38-30,231.51

Finding the Fourth Proportional to 48,122.79, 66,414.38 and 30,231.51

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Solution

The fourth proportional to 48,122.79, 66,414.38 and 30,231.51 is: 41,722.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,122.79 : 66,414.38 = 30,231.51 : x
  2. Step 2: Convert to fraction form
    48,122.79/66,414.38 = 30,231.51/x
  3. Step 3: Cross multiply
    48,122.79x = 66,414.38 × 30,231.51
  4. Step 4: Simplify right side
    48,122.79x = 2,007,806,841.96
  5. Step 5: Solve for x
    x = 2,007,806,841.96/48,122.79
  6. Step 6: Final answer
    x = 41,722.58

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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.