Home / 36,015.36-49,672.62-21,867.90

Finding the Fourth Proportional to 36,015.36, 49,672.62 and 21,867.90

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Solution

The fourth proportional to 36,015.36, 49,672.62 and 21,867.90 is: 30,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015.36 : 49,672.62 = 21,867.90 : x
  2. Step 2: Convert to fraction form
    36,015.36/49,672.62 = 21,867.90/x
  3. Step 3: Cross multiply
    36,015.36x = 49,672.62 × 21,867.90
  4. Step 4: Simplify right side
    36,015.36x = 1,086,235,886.90
  5. Step 5: Solve for x
    x = 1,086,235,886.90/36,015.36
  6. Step 6: Final answer
    x = 30,160.35

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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.