Home / 43,721.80-65,484.03-30,632.59

Finding the Fourth Proportional to 43,721.80, 65,484.03 and 30,632.59

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Solution

The fourth proportional to 43,721.80, 65,484.03 and 30,632.59 is: 45,879.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,721.80 : 65,484.03 = 30,632.59 : x
  2. Step 2: Convert to fraction form
    43,721.80/65,484.03 = 30,632.59/x
  3. Step 3: Cross multiply
    43,721.80x = 65,484.03 × 30,632.59
  4. Step 4: Simplify right side
    43,721.80x = 2,005,945,442.54
  5. Step 5: Solve for x
    x = 2,005,945,442.54/43,721.80
  6. Step 6: Final answer
    x = 45,879.75

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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.