Home / 43,068.22-64,518.09-28,231.86

Finding the Fourth Proportional to 43,068.22, 64,518.09 and 28,231.86

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Solution

The fourth proportional to 43,068.22, 64,518.09 and 28,231.86 is: 42,292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,068.22 : 64,518.09 = 28,231.86 : x
  2. Step 2: Convert to fraction form
    43,068.22/64,518.09 = 28,231.86/x
  3. Step 3: Cross multiply
    43,068.22x = 64,518.09 × 28,231.86
  4. Step 4: Simplify right side
    43,068.22x = 1,821,465,684.35
  5. Step 5: Solve for x
    x = 1,821,465,684.35/43,068.22
  6. Step 6: Final answer
    x = 42,292.57

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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.