Home / 36,684.78-55,011.14-12,984.44

Finding the Fourth Proportional to 36,684.78, 55,011.14 and 12,984.44

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Solution

The fourth proportional to 36,684.78, 55,011.14 and 12,984.44 is: 19,470.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,684.78 : 55,011.14 = 12,984.44 : x
  2. Step 2: Convert to fraction form
    36,684.78/55,011.14 = 12,984.44/x
  3. Step 3: Cross multiply
    36,684.78x = 55,011.14 × 12,984.44
  4. Step 4: Simplify right side
    36,684.78x = 714,288,846.66
  5. Step 5: Solve for x
    x = 714,288,846.66/36,684.78
  6. Step 6: Final answer
    x = 19,470.99

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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.