Home / 48,653.40-72,971.76-13,584.96

Finding the Fourth Proportional to 48,653.40, 72,971.76 and 13,584.96

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Solution

The fourth proportional to 48,653.40, 72,971.76 and 13,584.96 is: 20,375.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,653.40 : 72,971.76 = 13,584.96 : x
  2. Step 2: Convert to fraction form
    48,653.40/72,971.76 = 13,584.96/x
  3. Step 3: Cross multiply
    48,653.40x = 72,971.76 × 13,584.96
  4. Step 4: Simplify right side
    48,653.40x = 991,318,440.73
  5. Step 5: Solve for x
    x = 991,318,440.73/48,653.40
  6. Step 6: Final answer
    x = 20,375.11

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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.