Home / 45,838.20-68,764.42-19,543

Finding the Fourth Proportional to 45,838.20, 68,764.42 and 19,543

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Solution

The fourth proportional to 45,838.20, 68,764.42 and 19,543 is: 29,317.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,838.20 : 68,764.42 = 19,543 : x
  2. Step 2: Convert to fraction form
    45,838.20/68,764.42 = 19,543/x
  3. Step 3: Cross multiply
    45,838.20x = 68,764.42 × 19,543
  4. Step 4: Simplify right side
    45,838.20x = 1,343,863,060.06
  5. Step 5: Solve for x
    x = 1,343,863,060.06/45,838.20
  6. Step 6: Final answer
    x = 29,317.54

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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.