Home / 52,282.14-78,423.48-12,839.27

Finding the Fourth Proportional to 52,282.14, 78,423.48 and 12,839.27

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Solution

The fourth proportional to 52,282.14, 78,423.48 and 12,839.27 is: 19,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,282.14 : 78,423.48 = 12,839.27 : x
  2. Step 2: Convert to fraction form
    52,282.14/78,423.48 = 12,839.27/x
  3. Step 3: Cross multiply
    52,282.14x = 78,423.48 × 12,839.27
  4. Step 4: Simplify right side
    52,282.14x = 1,006,900,201.96
  5. Step 5: Solve for x
    x = 1,006,900,201.96/52,282.14
  6. Step 6: Final answer
    x = 19,258.97

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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.