Home / 43,840.20-65,787.30-18,892.20

Finding the Fourth Proportional to 43,840.20, 65,787.30 and 18,892.20

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Solution

The fourth proportional to 43,840.20, 65,787.30 and 18,892.20 is: 28,349.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,840.20 : 65,787.30 = 18,892.20 : x
  2. Step 2: Convert to fraction form
    43,840.20/65,787.30 = 18,892.20/x
  3. Step 3: Cross multiply
    43,840.20x = 65,787.30 × 18,892.20
  4. Step 4: Simplify right side
    43,840.20x = 1,242,866,829.06
  5. Step 5: Solve for x
    x = 1,242,866,829.06/43,840.20
  6. Step 6: Final answer
    x = 28,349.94

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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.