Home / 43,787.06-65,690.20-14,207.88

Finding the Fourth Proportional to 43,787.06, 65,690.20 and 14,207.88

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Solution

The fourth proportional to 43,787.06, 65,690.20 and 14,207.88 is: 21,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,787.06 : 65,690.20 = 14,207.88 : x
  2. Step 2: Convert to fraction form
    43,787.06/65,690.20 = 14,207.88/x
  3. Step 3: Cross multiply
    43,787.06x = 65,690.20 × 14,207.88
  4. Step 4: Simplify right side
    43,787.06x = 933,318,478.78
  5. Step 5: Solve for x
    x = 933,318,478.78/43,787.06
  6. Step 6: Final answer
    x = 21,314.94

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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.