Home / 36,276.54-54,415.89-9,981.78

Finding the Fourth Proportional to 36,276.54, 54,415.89 and 9,981.78

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Solution

The fourth proportional to 36,276.54, 54,415.89 and 9,981.78 is: 14,972.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,276.54 : 54,415.89 = 9,981.78 : x
  2. Step 2: Convert to fraction form
    36,276.54/54,415.89 = 9,981.78/x
  3. Step 3: Cross multiply
    36,276.54x = 54,415.89 × 9,981.78
  4. Step 4: Simplify right side
    36,276.54x = 543,167,442.48
  5. Step 5: Solve for x
    x = 543,167,442.48/36,276.54
  6. Step 6: Final answer
    x = 14,972.97

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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.