Home / 40,811.52-61,202.88-14,511.36

Finding the Fourth Proportional to 40,811.52, 61,202.88 and 14,511.36

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Solution

The fourth proportional to 40,811.52, 61,202.88 and 14,511.36 is: 21,761.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,811.52 : 61,202.88 = 14,511.36 : x
  2. Step 2: Convert to fraction form
    40,811.52/61,202.88 = 14,511.36/x
  3. Step 3: Cross multiply
    40,811.52x = 61,202.88 × 14,511.36
  4. Step 4: Simplify right side
    40,811.52x = 888,137,024.72
  5. Step 5: Solve for x
    x = 888,137,024.72/40,811.52
  6. Step 6: Final answer
    x = 21,761.92

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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.