Home / 50,639.32-69,878.22-29,419.97

Finding the Fourth Proportional to 50,639.32, 69,878.22 and 29,419.97

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Solution

The fourth proportional to 50,639.32, 69,878.22 and 29,419.97 is: 40,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,639.32 : 69,878.22 = 29,419.97 : x
  2. Step 2: Convert to fraction form
    50,639.32/69,878.22 = 29,419.97/x
  3. Step 3: Cross multiply
    50,639.32x = 69,878.22 × 29,419.97
  4. Step 4: Simplify right side
    50,639.32x = 2,055,815,136.05
  5. Step 5: Solve for x
    x = 2,055,815,136.05/50,639.32
  6. Step 6: Final answer
    x = 40,597.21

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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.