Home / 36,908.60-55,352.10-13,213.40

Finding the Fourth Proportional to 36,908.60, 55,352.10 and 13,213.40

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Solution

The fourth proportional to 36,908.60, 55,352.10 and 13,213.40 is: 19,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,908.60 : 55,352.10 = 13,213.40 : x
  2. Step 2: Convert to fraction form
    36,908.60/55,352.10 = 13,213.40/x
  3. Step 3: Cross multiply
    36,908.60x = 55,352.10 × 13,213.40
  4. Step 4: Simplify right side
    36,908.60x = 731,389,438.14
  5. Step 5: Solve for x
    x = 731,389,438.14/36,908.60
  6. Step 6: Final answer
    x = 19,816.23

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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.