Home / 36,937.70-50,961.37-21,018.16

Finding the Fourth Proportional to 36,937.70, 50,961.37 and 21,018.16

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Solution

The fourth proportional to 36,937.70, 50,961.37 and 21,018.16 is: 28,997.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,937.70 : 50,961.37 = 21,018.16 : x
  2. Step 2: Convert to fraction form
    36,937.70/50,961.37 = 21,018.16/x
  3. Step 3: Cross multiply
    36,937.70x = 50,961.37 × 21,018.16
  4. Step 4: Simplify right side
    36,937.70x = 1,071,113,868.58
  5. Step 5: Solve for x
    x = 1,071,113,868.58/36,937.70
  6. Step 6: Final answer
    x = 28,997.85

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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.