Home / 34,356.11-51,557.25-12,169.40

Finding the Fourth Proportional to 34,356.11, 51,557.25 and 12,169.40

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Solution

The fourth proportional to 34,356.11, 51,557.25 and 12,169.40 is: 18,262.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,356.11 : 51,557.25 = 12,169.40 : x
  2. Step 2: Convert to fraction form
    34,356.11/51,557.25 = 12,169.40/x
  3. Step 3: Cross multiply
    34,356.11x = 51,557.25 × 12,169.40
  4. Step 4: Simplify right side
    34,356.11x = 627,420,798.15
  5. Step 5: Solve for x
    x = 627,420,798.15/34,356.11
  6. Step 6: Final answer
    x = 18,262.28

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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.