Home / 36,270.70-54,411.54-12,891.58

Finding the Fourth Proportional to 36,270.70, 54,411.54 and 12,891.58

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Solution

The fourth proportional to 36,270.70, 54,411.54 and 12,891.58 is: 19,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,270.70 : 54,411.54 = 12,891.58 : x
  2. Step 2: Convert to fraction form
    36,270.70/54,411.54 = 12,891.58/x
  3. Step 3: Cross multiply
    36,270.70x = 54,411.54 × 12,891.58
  4. Step 4: Simplify right side
    36,270.70x = 701,450,720.83
  5. Step 5: Solve for x
    x = 701,450,720.83/36,270.70
  6. Step 6: Final answer
    x = 19,339.32

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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.