Home / 48,272.22-72,407.88-13,211.82

Finding the Fourth Proportional to 48,272.22, 72,407.88 and 13,211.82

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Solution

The fourth proportional to 48,272.22, 72,407.88 and 13,211.82 is: 19,817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,272.22 : 72,407.88 = 13,211.82 : x
  2. Step 2: Convert to fraction form
    48,272.22/72,407.88 = 13,211.82/x
  3. Step 3: Cross multiply
    48,272.22x = 72,407.88 × 13,211.82
  4. Step 4: Simplify right side
    48,272.22x = 956,639,877.14
  5. Step 5: Solve for x
    x = 956,639,877.14/48,272.22
  6. Step 6: Final answer
    x = 19,817.61

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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.