Home / 50,825.28-70,132.32-28,469.28

Finding the Fourth Proportional to 50,825.28, 70,132.32 and 28,469.28

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Solution

The fourth proportional to 50,825.28, 70,132.32 and 28,469.28 is: 39,283.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,825.28 : 70,132.32 = 28,469.28 : x
  2. Step 2: Convert to fraction form
    50,825.28/70,132.32 = 28,469.28/x
  3. Step 3: Cross multiply
    50,825.28x = 70,132.32 × 28,469.28
  4. Step 4: Simplify right side
    50,825.28x = 1,996,616,655.13
  5. Step 5: Solve for x
    x = 1,996,616,655.13/50,825.28
  6. Step 6: Final answer
    x = 39,283.93

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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.