Home / 52,911.54-79,366.26-12,930.75

Finding the Fourth Proportional to 52,911.54, 79,366.26 and 12,930.75

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Solution

The fourth proportional to 52,911.54, 79,366.26 and 12,930.75 is: 19,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,911.54 : 79,366.26 = 12,930.75 : x
  2. Step 2: Convert to fraction form
    52,911.54/79,366.26 = 12,930.75/x
  3. Step 3: Cross multiply
    52,911.54x = 79,366.26 × 12,930.75
  4. Step 4: Simplify right side
    52,911.54x = 1,026,265,266.50
  5. Step 5: Solve for x
    x = 1,026,265,266.50/52,911.54
  6. Step 6: Final answer
    x = 19,395.87

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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.