Home / 50,107.28-69,139.92-29,972.48

Finding the Fourth Proportional to 50,107.28, 69,139.92 and 29,972.48

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Solution

The fourth proportional to 50,107.28, 69,139.92 and 29,972.48 is: 41,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,107.28 : 69,139.92 = 29,972.48 : x
  2. Step 2: Convert to fraction form
    50,107.28/69,139.92 = 29,972.48/x
  3. Step 3: Cross multiply
    50,107.28x = 69,139.92 × 29,972.48
  4. Step 4: Simplify right side
    50,107.28x = 2,072,294,869.40
  5. Step 5: Solve for x
    x = 2,072,294,869.40/50,107.28
  6. Step 6: Final answer
    x = 41,357.16

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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.