Home / 48,272.30-72,408.47-13,211.96

Finding the Fourth Proportional to 48,272.30, 72,408.47 and 13,211.96

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Solution

The fourth proportional to 48,272.30, 72,408.47 and 13,211.96 is: 19,817.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,272.30 : 72,408.47 = 13,211.96 : x
  2. Step 2: Convert to fraction form
    48,272.30/72,408.47 = 13,211.96/x
  3. Step 3: Cross multiply
    48,272.30x = 72,408.47 × 13,211.96
  4. Step 4: Simplify right side
    48,272.30x = 956,657,788.50
  5. Step 5: Solve for x
    x = 956,657,788.50/48,272.30
  6. Step 6: Final answer
    x = 19,817.94

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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.