Home / 45,222.51-67,879.35-39,991.92

Finding the Fourth Proportional to 45,222.51, 67,879.35 and 39,991.92

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Solution

The fourth proportional to 45,222.51, 67,879.35 and 39,991.92 is: 60,028.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,222.51 : 67,879.35 = 39,991.92 : x
  2. Step 2: Convert to fraction form
    45,222.51/67,879.35 = 39,991.92/x
  3. Step 3: Cross multiply
    45,222.51x = 67,879.35 × 39,991.92
  4. Step 4: Simplify right side
    45,222.51x = 2,714,625,534.85
  5. Step 5: Solve for x
    x = 2,714,625,534.85/45,222.51
  6. Step 6: Final answer
    x = 60,028.19

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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.