Home / 34,364.48-51,546.80-12,178.08

Finding the Fourth Proportional to 34,364.48, 51,546.80 and 12,178.08

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Solution

The fourth proportional to 34,364.48, 51,546.80 and 12,178.08 is: 18,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,364.48 : 51,546.80 = 12,178.08 : x
  2. Step 2: Convert to fraction form
    34,364.48/51,546.80 = 12,178.08/x
  3. Step 3: Cross multiply
    34,364.48x = 51,546.80 × 12,178.08
  4. Step 4: Simplify right side
    34,364.48x = 627,741,054.14
  5. Step 5: Solve for x
    x = 627,741,054.14/34,364.48
  6. Step 6: Final answer
    x = 18,267.15

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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.