Home / 50,378.50-75,567.25-18,787.47

Finding the Fourth Proportional to 50,378.50, 75,567.25 and 18,787.47

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Solution

The fourth proportional to 50,378.50, 75,567.25 and 18,787.47 is: 28,181.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,378.50 : 75,567.25 = 18,787.47 : x
  2. Step 2: Convert to fraction form
    50,378.50/75,567.25 = 18,787.47/x
  3. Step 3: Cross multiply
    50,378.50x = 75,567.25 × 18,787.47
  4. Step 4: Simplify right side
    50,378.50x = 1,419,717,442.36
  5. Step 5: Solve for x
    x = 1,419,717,442.36/50,378.50
  6. Step 6: Final answer
    x = 28,181.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.