Home / 43,635.86-65,452.98-21,425.66

Finding the Fourth Proportional to 43,635.86, 65,452.98 and 21,425.66

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Solution

The fourth proportional to 43,635.86, 65,452.98 and 21,425.66 is: 32,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,635.86 : 65,452.98 = 21,425.66 : x
  2. Step 2: Convert to fraction form
    43,635.86/65,452.98 = 21,425.66/x
  3. Step 3: Cross multiply
    43,635.86x = 65,452.98 × 21,425.66
  4. Step 4: Simplify right side
    43,635.86x = 1,402,373,295.47
  5. Step 5: Solve for x
    x = 1,402,373,295.47/43,635.86
  6. Step 6: Final answer
    x = 32,138.09

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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.