Home / 43,641.99-65,490.32-19,945.85

Finding the Fourth Proportional to 43,641.99, 65,490.32 and 19,945.85

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Solution

The fourth proportional to 43,641.99, 65,490.32 and 19,945.85 is: 29,931.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,641.99 : 65,490.32 = 19,945.85 : x
  2. Step 2: Convert to fraction form
    43,641.99/65,490.32 = 19,945.85/x
  3. Step 3: Cross multiply
    43,641.99x = 65,490.32 × 19,945.85
  4. Step 4: Simplify right side
    43,641.99x = 1,306,259,821.59
  5. Step 5: Solve for x
    x = 1,306,259,821.59/43,641.99
  6. Step 6: Final answer
    x = 29,931.26

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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.