Home / 44,280.96-66,431.12-13,118.64

Finding the Fourth Proportional to 44,280.96, 66,431.12 and 13,118.64

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Solution

The fourth proportional to 44,280.96, 66,431.12 and 13,118.64 is: 19,680.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,280.96 : 66,431.12 = 13,118.64 : x
  2. Step 2: Convert to fraction form
    44,280.96/66,431.12 = 13,118.64/x
  3. Step 3: Cross multiply
    44,280.96x = 66,431.12 × 13,118.64
  4. Step 4: Simplify right side
    44,280.96x = 871,485,948.08
  5. Step 5: Solve for x
    x = 871,485,948.08/44,280.96
  6. Step 6: Final answer
    x = 19,680.83

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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.