Home / 34,876.41-48,129.75-18,960.87

Finding the Fourth Proportional to 34,876.41, 48,129.75 and 18,960.87

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Solution

The fourth proportional to 34,876.41, 48,129.75 and 18,960.87 is: 26,166.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,876.41 : 48,129.75 = 18,960.87 : x
  2. Step 2: Convert to fraction form
    34,876.41/48,129.75 = 18,960.87/x
  3. Step 3: Cross multiply
    34,876.41x = 48,129.75 × 18,960.87
  4. Step 4: Simplify right side
    34,876.41x = 912,581,932.88
  5. Step 5: Solve for x
    x = 912,581,932.88/34,876.41
  6. Step 6: Final answer
    x = 26,166.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.