Home / 50,575.87-75,872.01-18,988.41

Finding the Fourth Proportional to 50,575.87, 75,872.01 and 18,988.41

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Solution

The fourth proportional to 50,575.87, 75,872.01 and 18,988.41 is: 28,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,575.87 : 75,872.01 = 18,988.41 : x
  2. Step 2: Convert to fraction form
    50,575.87/75,872.01 = 18,988.41/x
  3. Step 3: Cross multiply
    50,575.87x = 75,872.01 × 18,988.41
  4. Step 4: Simplify right side
    50,575.87x = 1,440,688,833.40
  5. Step 5: Solve for x
    x = 1,440,688,833.40/50,575.87
  6. Step 6: Final answer
    x = 28,485.70

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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.