Home / 51,543.92-77,324.27-18,256.76

Finding the Fourth Proportional to 51,543.92, 77,324.27 and 18,256.76

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Solution

The fourth proportional to 51,543.92, 77,324.27 and 18,256.76 is: 27,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,543.92 : 77,324.27 = 18,256.76 : x
  2. Step 2: Convert to fraction form
    51,543.92/77,324.27 = 18,256.76/x
  3. Step 3: Cross multiply
    51,543.92x = 77,324.27 × 18,256.76
  4. Step 4: Simplify right side
    51,543.92x = 1,411,690,161.66
  5. Step 5: Solve for x
    x = 1,411,690,161.66/51,543.92
  6. Step 6: Final answer
    x = 27,388.11

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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.