Home / 52,093.72-78,140.45-18,813.79

Finding the Fourth Proportional to 52,093.72, 78,140.45 and 18,813.79

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Solution

The fourth proportional to 52,093.72, 78,140.45 and 18,813.79 is: 28,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,093.72 : 78,140.45 = 18,813.79 : x
  2. Step 2: Convert to fraction form
    52,093.72/78,140.45 = 18,813.79/x
  3. Step 3: Cross multiply
    52,093.72x = 78,140.45 × 18,813.79
  4. Step 4: Simplify right side
    52,093.72x = 1,470,117,868.49
  5. Step 5: Solve for x
    x = 1,470,117,868.49/52,093.72
  6. Step 6: Final answer
    x = 28,220.64

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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.