Home / 36,107.28-54,156.06-12,730.68

Finding the Fourth Proportional to 36,107.28, 54,156.06 and 12,730.68

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Solution

The fourth proportional to 36,107.28, 54,156.06 and 12,730.68 is: 19,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,107.28 : 54,156.06 = 12,730.68 : x
  2. Step 2: Convert to fraction form
    36,107.28/54,156.06 = 12,730.68/x
  3. Step 3: Cross multiply
    36,107.28x = 54,156.06 × 12,730.68
  4. Step 4: Simplify right side
    36,107.28x = 689,443,469.92
  5. Step 5: Solve for x
    x = 689,443,469.92/36,107.28
  6. Step 6: Final answer
    x = 19,094.31

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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.