Home / 38,432.45-57,650.44-11,776.53

Finding the Fourth Proportional to 38,432.45, 57,650.44 and 11,776.53

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Solution

The fourth proportional to 38,432.45, 57,650.44 and 11,776.53 is: 17,665.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,432.45 : 57,650.44 = 11,776.53 : x
  2. Step 2: Convert to fraction form
    38,432.45/57,650.44 = 11,776.53/x
  3. Step 3: Cross multiply
    38,432.45x = 57,650.44 × 11,776.53
  4. Step 4: Simplify right side
    38,432.45x = 678,922,136.17
  5. Step 5: Solve for x
    x = 678,922,136.17/38,432.45
  6. Step 6: Final answer
    x = 17,665.34

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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.