Home / 50,008.14-69,018.48-28,787.22

Finding the Fourth Proportional to 50,008.14, 69,018.48 and 28,787.22

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Solution

The fourth proportional to 50,008.14, 69,018.48 and 28,787.22 is: 39,730.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,008.14 : 69,018.48 = 28,787.22 : x
  2. Step 2: Convert to fraction form
    50,008.14/69,018.48 = 28,787.22/x
  3. Step 3: Cross multiply
    50,008.14x = 69,018.48 × 28,787.22
  4. Step 4: Simplify right side
    50,008.14x = 1,986,850,167.83
  5. Step 5: Solve for x
    x = 1,986,850,167.83/50,008.14
  6. Step 6: Final answer
    x = 39,730.54

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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.