Home / 50,142.66-69,203.78-28,921.46

Finding the Fourth Proportional to 50,142.66, 69,203.78 and 28,921.46

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Solution

The fourth proportional to 50,142.66, 69,203.78 and 28,921.46 is: 39,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,142.66 : 69,203.78 = 28,921.46 : x
  2. Step 2: Convert to fraction form
    50,142.66/69,203.78 = 28,921.46/x
  3. Step 3: Cross multiply
    50,142.66x = 69,203.78 × 28,921.46
  4. Step 4: Simplify right side
    50,142.66x = 2,001,474,355.12
  5. Step 5: Solve for x
    x = 2,001,474,355.12/50,142.66
  6. Step 6: Final answer
    x = 39,915.60

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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.