Home / 36,725.40-55,145.70-21,173.40

Finding the Fourth Proportional to 36,725.40, 55,145.70 and 21,173.40

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Solution

The fourth proportional to 36,725.40, 55,145.70 and 21,173.40 is: 31,793.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,725.40 : 55,145.70 = 21,173.40 : x
  2. Step 2: Convert to fraction form
    36,725.40/55,145.70 = 21,173.40/x
  3. Step 3: Cross multiply
    36,725.40x = 55,145.70 × 21,173.40
  4. Step 4: Simplify right side
    36,725.40x = 1,167,621,964.38
  5. Step 5: Solve for x
    x = 1,167,621,964.38/36,725.40
  6. Step 6: Final answer
    x = 31,793.31

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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.