Home / 52,093.74-78,140.03-12,650.84

Finding the Fourth Proportional to 52,093.74, 78,140.03 and 12,650.84

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Solution

The fourth proportional to 52,093.74, 78,140.03 and 12,650.84 is: 18,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,093.74 : 78,140.03 = 12,650.84 : x
  2. Step 2: Convert to fraction form
    52,093.74/78,140.03 = 12,650.84/x
  3. Step 3: Cross multiply
    52,093.74x = 78,140.03 × 12,650.84
  4. Step 4: Simplify right side
    52,093.74x = 988,536,563.17
  5. Step 5: Solve for x
    x = 988,536,563.17/52,093.74
  6. Step 6: Final answer
    x = 18,976.11

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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.