Home / 50,165.38-69,228.80-28,657.99

Finding the Fourth Proportional to 50,165.38, 69,228.80 and 28,657.99

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Solution

The fourth proportional to 50,165.38, 69,228.80 and 28,657.99 is: 39,548.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,165.38 : 69,228.80 = 28,657.99 : x
  2. Step 2: Convert to fraction form
    50,165.38/69,228.80 = 28,657.99/x
  3. Step 3: Cross multiply
    50,165.38x = 69,228.80 × 28,657.99
  4. Step 4: Simplify right side
    50,165.38x = 1,983,958,258.11
  5. Step 5: Solve for x
    x = 1,983,958,258.11/50,165.38
  6. Step 6: Final answer
    x = 39,548.36

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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.