Home / 50,154.30-75,264.39-18,989.82

Finding the Fourth Proportional to 50,154.30, 75,264.39 and 18,989.82

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Solution

The fourth proportional to 50,154.30, 75,264.39 and 18,989.82 is: 28,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,154.30 : 75,264.39 = 18,989.82 : x
  2. Step 2: Convert to fraction form
    50,154.30/75,264.39 = 18,989.82/x
  3. Step 3: Cross multiply
    50,154.30x = 75,264.39 × 18,989.82
  4. Step 4: Simplify right side
    50,154.30x = 1,429,257,218.51
  5. Step 5: Solve for x
    x = 1,429,257,218.51/50,154.30
  6. Step 6: Final answer
    x = 28,497.20

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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.