Home / 66,628.49-99,928.03-19,233.29

Finding the Fourth Proportional to 66,628.49, 99,928.03 and 19,233.29

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Solution

The fourth proportional to 66,628.49, 99,928.03 and 19,233.29 is: 28,845.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,628.49 : 99,928.03 = 19,233.29 : x
  2. Step 2: Convert to fraction form
    66,628.49/99,928.03 = 19,233.29/x
  3. Step 3: Cross multiply
    66,628.49x = 99,928.03 × 19,233.29
  4. Step 4: Simplify right side
    66,628.49x = 1,921,944,655.73
  5. Step 5: Solve for x
    x = 1,921,944,655.73/66,628.49
  6. Step 6: Final answer
    x = 28,845.69

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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.