Home / 43,319.66-64,989.23-13,739.27

Finding the Fourth Proportional to 43,319.66, 64,989.23 and 13,739.27

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Solution

The fourth proportional to 43,319.66, 64,989.23 and 13,739.27 is: 20,611.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,319.66 : 64,989.23 = 13,739.27 : x
  2. Step 2: Convert to fraction form
    43,319.66/64,989.23 = 13,739.27/x
  3. Step 3: Cross multiply
    43,319.66x = 64,989.23 × 13,739.27
  4. Step 4: Simplify right side
    43,319.66x = 892,904,184.42
  5. Step 5: Solve for x
    x = 892,904,184.42/43,319.66
  6. Step 6: Final answer
    x = 20,611.99

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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.