Home / 34,977.18-52,419.06-12,769.68

Finding the Fourth Proportional to 34,977.18, 52,419.06 and 12,769.68

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Solution

The fourth proportional to 34,977.18, 52,419.06 and 12,769.68 is: 19,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,977.18 : 52,419.06 = 12,769.68 : x
  2. Step 2: Convert to fraction form
    34,977.18/52,419.06 = 12,769.68/x
  3. Step 3: Cross multiply
    34,977.18x = 52,419.06 × 12,769.68
  4. Step 4: Simplify right side
    34,977.18x = 669,374,622.10
  5. Step 5: Solve for x
    x = 669,374,622.10/34,977.18
  6. Step 6: Final answer
    x = 19,137.47

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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.