Home / 51,524.21-77,272.04-18,239.90

Finding the Fourth Proportional to 51,524.21, 77,272.04 and 18,239.90

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Solution

The fourth proportional to 51,524.21, 77,272.04 and 18,239.90 is: 27,354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,524.21 : 77,272.04 = 18,239.90 : x
  2. Step 2: Convert to fraction form
    51,524.21/77,272.04 = 18,239.90/x
  3. Step 3: Cross multiply
    51,524.21x = 77,272.04 × 18,239.90
  4. Step 4: Simplify right side
    51,524.21x = 1,409,433,941.64
  5. Step 5: Solve for x
    x = 1,409,433,941.64/51,524.21
  6. Step 6: Final answer
    x = 27,354.79

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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.