Home / 36,820.68-50,803.72-21,712.16

Finding the Fourth Proportional to 36,820.68, 50,803.72 and 21,712.16

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Solution

The fourth proportional to 36,820.68, 50,803.72 and 21,712.16 is: 29,957.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,820.68 : 50,803.72 = 21,712.16 : x
  2. Step 2: Convert to fraction form
    36,820.68/50,803.72 = 21,712.16/x
  3. Step 3: Cross multiply
    36,820.68x = 50,803.72 × 21,712.16
  4. Step 4: Simplify right side
    36,820.68x = 1,103,058,188.94
  5. Step 5: Solve for x
    x = 1,103,058,188.94/36,820.68
  6. Step 6: Final answer
    x = 29,957.57

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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.