Home / 43,722.30-65,583.45-40,368.90

Finding the Fourth Proportional to 43,722.30, 65,583.45 and 40,368.90

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Solution

The fourth proportional to 43,722.30, 65,583.45 and 40,368.90 is: 60,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,722.30 : 65,583.45 = 40,368.90 : x
  2. Step 2: Convert to fraction form
    43,722.30/65,583.45 = 40,368.90/x
  3. Step 3: Cross multiply
    43,722.30x = 65,583.45 × 40,368.90
  4. Step 4: Simplify right side
    43,722.30x = 2,647,531,734.71
  5. Step 5: Solve for x
    x = 2,647,531,734.71/43,722.30
  6. Step 6: Final answer
    x = 60,553.35

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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.