Home / 57,178.85-85,752-36,087.32

Finding the Fourth Proportional to 57,178.85, 85,752 and 36,087.32

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Solution

The fourth proportional to 57,178.85, 85,752 and 36,087.32 is: 54,120.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,178.85 : 85,752 = 36,087.32 : x
  2. Step 2: Convert to fraction form
    57,178.85/85,752 = 36,087.32/x
  3. Step 3: Cross multiply
    57,178.85x = 85,752 × 36,087.32
  4. Step 4: Simplify right side
    57,178.85x = 3,094,560,079.02
  5. Step 5: Solve for x
    x = 3,094,560,079.02/57,178.85
  6. Step 6: Final answer
    x = 54,120.72

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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.