Home / 47,553.39-71,324.67-12,495.78

Finding the Fourth Proportional to 47,553.39, 71,324.67 and 12,495.78

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Solution

The fourth proportional to 47,553.39, 71,324.67 and 12,495.78 is: 18,742.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,553.39 : 71,324.67 = 12,495.78 : x
  2. Step 2: Convert to fraction form
    47,553.39/71,324.67 = 12,495.78/x
  3. Step 3: Cross multiply
    47,553.39x = 71,324.67 × 12,495.78
  4. Step 4: Simplify right side
    47,553.39x = 891,257,384.89
  5. Step 5: Solve for x
    x = 891,257,384.89/47,553.39
  6. Step 6: Final answer
    x = 18,742.25

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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.