Home / 50,639.34-69,882.31-28,283.34

Finding the Fourth Proportional to 50,639.34, 69,882.31 and 28,283.34

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Solution

The fourth proportional to 50,639.34, 69,882.31 and 28,283.34 is: 39,031.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,639.34 : 69,882.31 = 28,283.34 : x
  2. Step 2: Convert to fraction form
    50,639.34/69,882.31 = 28,283.34/x
  3. Step 3: Cross multiply
    50,639.34x = 69,882.31 × 28,283.34
  4. Step 4: Simplify right side
    50,639.34x = 1,976,505,431.13
  5. Step 5: Solve for x
    x = 1,976,505,431.13/50,639.34
  6. Step 6: Final answer
    x = 39,031.02

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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.