Home / 36,078.78-54,124.08-11,118.82

Finding the Fourth Proportional to 36,078.78, 54,124.08 and 11,118.82

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Solution

The fourth proportional to 36,078.78, 54,124.08 and 11,118.82 is: 16,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,078.78 : 54,124.08 = 11,118.82 : x
  2. Step 2: Convert to fraction form
    36,078.78/54,124.08 = 11,118.82/x
  3. Step 3: Cross multiply
    36,078.78x = 54,124.08 × 11,118.82
  4. Step 4: Simplify right side
    36,078.78x = 601,795,903.19
  5. Step 5: Solve for x
    x = 601,795,903.19/36,078.78
  6. Step 6: Final answer
    x = 16,680.05

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1.5x scale

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.