Home / 52,202.38-78,302.89-12,759.84

Finding the Fourth Proportional to 52,202.38, 78,302.89 and 12,759.84

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Solution

The fourth proportional to 52,202.38, 78,302.89 and 12,759.84 is: 19,139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,202.38 : 78,302.89 = 12,759.84 : x
  2. Step 2: Convert to fraction form
    52,202.38/78,302.89 = 12,759.84/x
  3. Step 3: Cross multiply
    52,202.38x = 78,302.89 × 12,759.84
  4. Step 4: Simplify right side
    52,202.38x = 999,132,347.94
  5. Step 5: Solve for x
    x = 999,132,347.94/52,202.38
  6. Step 6: Final answer
    x = 19,139.59

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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.