Home / 43,319.16-64,989.72-12,154.44

Finding the Fourth Proportional to 43,319.16, 64,989.72 and 12,154.44

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Solution

The fourth proportional to 43,319.16, 64,989.72 and 12,154.44 is: 18,234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,319.16 : 64,989.72 = 12,154.44 : x
  2. Step 2: Convert to fraction form
    43,319.16/64,989.72 = 12,154.44/x
  3. Step 3: Cross multiply
    43,319.16x = 64,989.72 × 12,154.44
  4. Step 4: Simplify right side
    43,319.16x = 789,913,652.36
  5. Step 5: Solve for x
    x = 789,913,652.36/43,319.16
  6. Step 6: Final answer
    x = 18,234.74

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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.