Home / 69,340.09-95,682.31-40,258.39

Finding the Fourth Proportional to 69,340.09, 95,682.31 and 40,258.39

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Solution

The fourth proportional to 69,340.09, 95,682.31 and 40,258.39 is: 55,552.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,340.09 : 95,682.31 = 40,258.39 : x
  2. Step 2: Convert to fraction form
    69,340.09/95,682.31 = 40,258.39/x
  3. Step 3: Cross multiply
    69,340.09x = 95,682.31 × 40,258.39
  4. Step 4: Simplify right side
    69,340.09x = 3,852,015,752.08
  5. Step 5: Solve for x
    x = 3,852,015,752.08/69,340.09
  6. Step 6: Final answer
    x = 55,552.51

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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.