Home / 61,222.08-91,841.88-19,105.94

Finding the Fourth Proportional to 61,222.08, 91,841.88 and 19,105.94

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Solution

The fourth proportional to 61,222.08, 91,841.88 and 19,105.94 is: 28,661.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,222.08 : 91,841.88 = 19,105.94 : x
  2. Step 2: Convert to fraction form
    61,222.08/91,841.88 = 19,105.94/x
  3. Step 3: Cross multiply
    61,222.08x = 91,841.88 × 19,105.94
  4. Step 4: Simplify right side
    61,222.08x = 1,754,724,989.56
  5. Step 5: Solve for x
    x = 1,754,724,989.56/61,222.08
  6. Step 6: Final answer
    x = 28,661.64

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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.