Home / 34,268.86-51,407.39-12,077.64

Finding the Fourth Proportional to 34,268.86, 51,407.39 and 12,077.64

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Solution

The fourth proportional to 34,268.86, 51,407.39 and 12,077.64 is: 18,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,268.86 : 51,407.39 = 12,077.64 : x
  2. Step 2: Convert to fraction form
    34,268.86/51,407.39 = 12,077.64/x
  3. Step 3: Cross multiply
    34,268.86x = 51,407.39 × 12,077.64
  4. Step 4: Simplify right side
    34,268.86x = 620,879,949.76
  5. Step 5: Solve for x
    x = 620,879,949.76/34,268.86
  6. Step 6: Final answer
    x = 18,117.90

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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.