Home / 52,311.39-78,435.50-21,110.19

Finding the Fourth Proportional to 52,311.39, 78,435.50 and 21,110.19

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Solution

The fourth proportional to 52,311.39, 78,435.50 and 21,110.19 is: 31,652.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,311.39 : 78,435.50 = 21,110.19 : x
  2. Step 2: Convert to fraction form
    52,311.39/78,435.50 = 21,110.19/x
  3. Step 3: Cross multiply
    52,311.39x = 78,435.50 × 21,110.19
  4. Step 4: Simplify right side
    52,311.39x = 1,655,788,202.19
  5. Step 5: Solve for x
    x = 1,655,788,202.19/52,311.39
  6. Step 6: Final answer
    x = 31,652.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.