Home / 36,077.54-54,121.71-12,699.86

Finding the Fourth Proportional to 36,077.54, 54,121.71 and 12,699.86

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Solution

The fourth proportional to 36,077.54, 54,121.71 and 12,699.86 is: 19,051.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,077.54 : 54,121.71 = 12,699.86 : x
  2. Step 2: Convert to fraction form
    36,077.54/54,121.71 = 12,699.86/x
  3. Step 3: Cross multiply
    36,077.54x = 54,121.71 × 12,699.86
  4. Step 4: Simplify right side
    36,077.54x = 687,338,139.96
  5. Step 5: Solve for x
    x = 687,338,139.96/36,077.54
  6. Step 6: Final answer
    x = 19,051.69

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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.