Home / 50,639.40-69,876.34-27,977.02

Finding the Fourth Proportional to 50,639.40, 69,876.34 and 27,977.02

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Solution

The fourth proportional to 50,639.40, 69,876.34 and 27,977.02 is: 38,604.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,639.40 : 69,876.34 = 27,977.02 : x
  2. Step 2: Convert to fraction form
    50,639.40/69,876.34 = 27,977.02/x
  3. Step 3: Cross multiply
    50,639.40x = 69,876.34 × 27,977.02
  4. Step 4: Simplify right side
    50,639.40x = 1,954,931,517.07
  5. Step 5: Solve for x
    x = 1,954,931,517.07/50,639.40
  6. Step 6: Final answer
    x = 38,604.95

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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.