Home / 34,876.82-48,128.96-18,960.86

Finding the Fourth Proportional to 34,876.82, 48,128.96 and 18,960.86

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Solution

The fourth proportional to 34,876.82, 48,128.96 and 18,960.86 is: 26,165.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,876.82 : 48,128.96 = 18,960.86 : x
  2. Step 2: Convert to fraction form
    34,876.82/48,128.96 = 18,960.86/x
  3. Step 3: Cross multiply
    34,876.82x = 48,128.96 × 18,960.86
  4. Step 4: Simplify right side
    34,876.82x = 912,566,137.06
  5. Step 5: Solve for x
    x = 912,566,137.06/34,876.82
  6. Step 6: Final answer
    x = 26,165.41

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1.5x scale

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.