Home / 46,161.60-69,242.92-12,879.65

Finding the Fourth Proportional to 46,161.60, 69,242.92 and 12,879.65

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Solution

The fourth proportional to 46,161.60, 69,242.92 and 12,879.65 is: 19,319.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,161.60 : 69,242.92 = 12,879.65 : x
  2. Step 2: Convert to fraction form
    46,161.60/69,242.92 = 12,879.65/x
  3. Step 3: Cross multiply
    46,161.60x = 69,242.92 × 12,879.65
  4. Step 4: Simplify right side
    46,161.60x = 891,824,196.16
  5. Step 5: Solve for x
    x = 891,824,196.16/46,161.60
  6. Step 6: Final answer
    x = 19,319.61

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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.