Home / 66,019.53-99,036.24-19,272.54

Finding the Fourth Proportional to 66,019.53, 99,036.24 and 19,272.54

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Solution

The fourth proportional to 66,019.53, 99,036.24 and 19,272.54 is: 28,910.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,019.53 : 99,036.24 = 19,272.54 : x
  2. Step 2: Convert to fraction form
    66,019.53/99,036.24 = 19,272.54/x
  3. Step 3: Cross multiply
    66,019.53x = 99,036.24 × 19,272.54
  4. Step 4: Simplify right side
    66,019.53x = 1,908,679,896.85
  5. Step 5: Solve for x
    x = 1,908,679,896.85/66,019.53
  6. Step 6: Final answer
    x = 28,910.84

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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.