Home / 29,146.86-43,720.29-8,370.36

Finding the Fourth Proportional to 29,146.86, 43,720.29 and 8,370.36

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Solution

The fourth proportional to 29,146.86, 43,720.29 and 8,370.36 is: 12,555.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,146.86 : 43,720.29 = 8,370.36 : x
  2. Step 2: Convert to fraction form
    29,146.86/43,720.29 = 8,370.36/x
  3. Step 3: Cross multiply
    29,146.86x = 43,720.29 × 8,370.36
  4. Step 4: Simplify right side
    29,146.86x = 365,954,566.60
  5. Step 5: Solve for x
    x = 365,954,566.60/29,146.86
  6. Step 6: Final answer
    x = 12,555.54

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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.