Home / 60,199.51-90,305.21-20,751.43

Finding the Fourth Proportional to 60,199.51, 90,305.21 and 20,751.43

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Solution

The fourth proportional to 60,199.51, 90,305.21 and 20,751.43 is: 31,129.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,199.51 : 90,305.21 = 20,751.43 : x
  2. Step 2: Convert to fraction form
    60,199.51/90,305.21 = 20,751.43/x
  3. Step 3: Cross multiply
    60,199.51x = 90,305.21 × 20,751.43
  4. Step 4: Simplify right side
    60,199.51x = 1,873,962,243.95
  5. Step 5: Solve for x
    x = 1,873,962,243.95/60,199.51
  6. Step 6: Final answer
    x = 31,129.19

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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.