Home / 66,295.56-99,443.22-19,581.24

Finding the Fourth Proportional to 66,295.56, 99,443.22 and 19,581.24

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Solution

The fourth proportional to 66,295.56, 99,443.22 and 19,581.24 is: 29,371.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,295.56 : 99,443.22 = 19,581.24 : x
  2. Step 2: Convert to fraction form
    66,295.56/99,443.22 = 19,581.24/x
  3. Step 3: Cross multiply
    66,295.56x = 99,443.22 × 19,581.24
  4. Step 4: Simplify right side
    66,295.56x = 1,947,221,557.19
  5. Step 5: Solve for x
    x = 1,947,221,557.19/66,295.56
  6. Step 6: Final answer
    x = 29,371.82

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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.