Home / 33,034.95-45,558.09-21,699.90

Finding the Fourth Proportional to 33,034.95, 45,558.09 and 21,699.90

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Solution

The fourth proportional to 33,034.95, 45,558.09 and 21,699.90 is: 29,926.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,034.95 : 45,558.09 = 21,699.90 : x
  2. Step 2: Convert to fraction form
    33,034.95/45,558.09 = 21,699.90/x
  3. Step 3: Cross multiply
    33,034.95x = 45,558.09 × 21,699.90
  4. Step 4: Simplify right side
    33,034.95x = 988,605,997.19
  5. Step 5: Solve for x
    x = 988,605,997.19/33,034.95
  6. Step 6: Final answer
    x = 29,926.06

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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.