Home / 43,690.50-65,519.11-15,605.30

Finding the Fourth Proportional to 43,690.50, 65,519.11 and 15,605.30

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Solution

The fourth proportional to 43,690.50, 65,519.11 and 15,605.30 is: 23,402.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,690.50 : 65,519.11 = 15,605.30 : x
  2. Step 2: Convert to fraction form
    43,690.50/65,519.11 = 15,605.30/x
  3. Step 3: Cross multiply
    43,690.50x = 65,519.11 × 15,605.30
  4. Step 4: Simplify right side
    43,690.50x = 1,022,445,367.28
  5. Step 5: Solve for x
    x = 1,022,445,367.28/43,690.50
  6. Step 6: Final answer
    x = 23,402.01

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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.