Home / 36,888.56-50,910.54-20,975.40

Finding the Fourth Proportional to 36,888.56, 50,910.54 and 20,975.40

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Solution

The fourth proportional to 36,888.56, 50,910.54 and 20,975.40 is: 28,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,888.56 : 50,910.54 = 20,975.40 : x
  2. Step 2: Convert to fraction form
    36,888.56/50,910.54 = 20,975.40/x
  3. Step 3: Cross multiply
    36,888.56x = 50,910.54 × 20,975.40
  4. Step 4: Simplify right side
    36,888.56x = 1,067,868,940.72
  5. Step 5: Solve for x
    x = 1,067,868,940.72/36,888.56
  6. Step 6: Final answer
    x = 28,948.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.