Home / 52,608.38-78,912.77-13,165.38

Finding the Fourth Proportional to 52,608.38, 78,912.77 and 13,165.38

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Solution

The fourth proportional to 52,608.38, 78,912.77 and 13,165.38 is: 19,748.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,608.38 : 78,912.77 = 13,165.38 : x
  2. Step 2: Convert to fraction form
    52,608.38/78,912.77 = 13,165.38/x
  3. Step 3: Cross multiply
    52,608.38x = 78,912.77 × 13,165.38
  4. Step 4: Simplify right side
    52,608.38x = 1,038,916,538.08
  5. Step 5: Solve for x
    x = 1,038,916,538.08/52,608.38
  6. Step 6: Final answer
    x = 19,748.12

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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.