Home / 48,042.80-72,064.44-21,716.72

Finding the Fourth Proportional to 48,042.80, 72,064.44 and 21,716.72

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Solution

The fourth proportional to 48,042.80, 72,064.44 and 21,716.72 is: 32,575.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,042.80 : 72,064.44 = 21,716.72 : x
  2. Step 2: Convert to fraction form
    48,042.80/72,064.44 = 21,716.72/x
  3. Step 3: Cross multiply
    48,042.80x = 72,064.44 × 21,716.72
  4. Step 4: Simplify right side
    48,042.80x = 1,565,003,265.44
  5. Step 5: Solve for x
    x = 1,565,003,265.44/48,042.80
  6. Step 6: Final answer
    x = 32,575.19

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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.