Home / 36,399.88-50,248.83-21,290.46

Finding the Fourth Proportional to 36,399.88, 50,248.83 and 21,290.46

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Solution

The fourth proportional to 36,399.88, 50,248.83 and 21,290.46 is: 29,390.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,399.88 : 50,248.83 = 21,290.46 : x
  2. Step 2: Convert to fraction form
    36,399.88/50,248.83 = 21,290.46/x
  3. Step 3: Cross multiply
    36,399.88x = 50,248.83 × 21,290.46
  4. Step 4: Simplify right side
    36,399.88x = 1,069,820,705.16
  5. Step 5: Solve for x
    x = 1,069,820,705.16/36,399.88
  6. Step 6: Final answer
    x = 29,390.78

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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.