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Finding the Fourth Proportional to 50,643.80, 69,935.10 and 33,925.40

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Solution

The fourth proportional to 50,643.80, 69,935.10 and 33,925.40 is: 46,848.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,643.80 : 69,935.10 = 33,925.40 : x
  2. Step 2: Convert to fraction form
    50,643.80/69,935.10 = 33,925.40/x
  3. Step 3: Cross multiply
    50,643.80x = 69,935.10 × 33,925.40
  4. Step 4: Simplify right side
    50,643.80x = 2,372,576,241.54
  5. Step 5: Solve for x
    x = 2,372,576,241.54/50,643.80
  6. Step 6: Final answer
    x = 46,848.31

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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.