Home / 36,821.32-50,820.01-21,713.06

Finding the Fourth Proportional to 36,821.32, 50,820.01 and 21,713.06

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Solution

The fourth proportional to 36,821.32, 50,820.01 and 21,713.06 is: 29,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,821.32 : 50,820.01 = 21,713.06 : x
  2. Step 2: Convert to fraction form
    36,821.32/50,820.01 = 21,713.06/x
  3. Step 3: Cross multiply
    36,821.32x = 50,820.01 × 21,713.06
  4. Step 4: Simplify right side
    36,821.32x = 1,103,457,999.10
  5. Step 5: Solve for x
    x = 1,103,457,999.10/36,821.32
  6. Step 6: Final answer
    x = 29,967.91

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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.