Home / 51,419.85-77,137.09-15,884.19

Finding the Fourth Proportional to 51,419.85, 77,137.09 and 15,884.19

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Solution

The fourth proportional to 51,419.85, 77,137.09 and 15,884.19 is: 23,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,419.85 : 77,137.09 = 15,884.19 : x
  2. Step 2: Convert to fraction form
    51,419.85/77,137.09 = 15,884.19/x
  3. Step 3: Cross multiply
    51,419.85x = 77,137.09 × 15,884.19
  4. Step 4: Simplify right side
    51,419.85x = 1,225,260,193.61
  5. Step 5: Solve for x
    x = 1,225,260,193.61/51,419.85
  6. Step 6: Final answer
    x = 23,828.54

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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.