Home / 40,944.80-61,418.16-14,651.36

Finding the Fourth Proportional to 40,944.80, 61,418.16 and 14,651.36

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Solution

The fourth proportional to 40,944.80, 61,418.16 and 14,651.36 is: 21,977.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,944.80 : 61,418.16 = 14,651.36 : x
  2. Step 2: Convert to fraction form
    40,944.80/61,418.16 = 14,651.36/x
  3. Step 3: Cross multiply
    40,944.80x = 61,418.16 × 14,651.36
  4. Step 4: Simplify right side
    40,944.80x = 899,859,572.70
  5. Step 5: Solve for x
    x = 899,859,572.70/40,944.80
  6. Step 6: Final answer
    x = 21,977.38

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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.