Home / 43,861.28-65,791.92-19,220

Finding the Fourth Proportional to 43,861.28, 65,791.92 and 19,220

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Solution

The fourth proportional to 43,861.28, 65,791.92 and 19,220 is: 28,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,861.28 : 65,791.92 = 19,220 : x
  2. Step 2: Convert to fraction form
    43,861.28/65,791.92 = 19,220/x
  3. Step 3: Cross multiply
    43,861.28x = 65,791.92 × 19,220
  4. Step 4: Simplify right side
    43,861.28x = 1,264,520,702.40
  5. Step 5: Solve for x
    x = 1,264,520,702.40/43,861.28
  6. Step 6: Final answer
    x = 28,830.00

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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.