Home / 36,107.92-54,167.64-12,730.96

Finding the Fourth Proportional to 36,107.92, 54,167.64 and 12,730.96

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Solution

The fourth proportional to 36,107.92, 54,167.64 and 12,730.96 is: 19,098.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,107.92 : 54,167.64 = 12,730.96 : x
  2. Step 2: Convert to fraction form
    36,107.92/54,167.64 = 12,730.96/x
  3. Step 3: Cross multiply
    36,107.92x = 54,167.64 × 12,730.96
  4. Step 4: Simplify right side
    36,107.92x = 689,606,058.13
  5. Step 5: Solve for x
    x = 689,606,058.13/36,107.92
  6. Step 6: Final answer
    x = 19,098.47

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1.5x scale

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.