Home / 52,161.70-78,222.90-18,873.53

Finding the Fourth Proportional to 52,161.70, 78,222.90 and 18,873.53

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Solution

The fourth proportional to 52,161.70, 78,222.90 and 18,873.53 is: 28,303.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,161.70 : 78,222.90 = 18,873.53 : x
  2. Step 2: Convert to fraction form
    52,161.70/78,222.90 = 18,873.53/x
  3. Step 3: Cross multiply
    52,161.70x = 78,222.90 × 18,873.53
  4. Step 4: Simplify right side
    52,161.70x = 1,476,342,249.84
  5. Step 5: Solve for x
    x = 1,476,342,249.84/52,161.70
  6. Step 6: Final answer
    x = 28,303.19

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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.