Home / 36,881.96-55,328.38-11,913.68

Finding the Fourth Proportional to 36,881.96, 55,328.38 and 11,913.68

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Solution

The fourth proportional to 36,881.96, 55,328.38 and 11,913.68 is: 17,872.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,881.96 : 55,328.38 = 11,913.68 : x
  2. Step 2: Convert to fraction form
    36,881.96/55,328.38 = 11,913.68/x
  3. Step 3: Cross multiply
    36,881.96x = 55,328.38 × 11,913.68
  4. Step 4: Simplify right side
    36,881.96x = 659,164,614.24
  5. Step 5: Solve for x
    x = 659,164,614.24/36,881.96
  6. Step 6: Final answer
    x = 17,872.28

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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.