Home / 51,291.76-70,794.44-30,077.86

Finding the Fourth Proportional to 51,291.76, 70,794.44 and 30,077.86

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Solution

The fourth proportional to 51,291.76, 70,794.44 and 30,077.86 is: 41,514.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,291.76 : 70,794.44 = 30,077.86 : x
  2. Step 2: Convert to fraction form
    51,291.76/70,794.44 = 30,077.86/x
  3. Step 3: Cross multiply
    51,291.76x = 70,794.44 × 30,077.86
  4. Step 4: Simplify right side
    51,291.76x = 2,129,345,305.99
  5. Step 5: Solve for x
    x = 2,129,345,305.99/51,291.76
  6. Step 6: Final answer
    x = 41,514.37

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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.