Home / 33,089.68-45,674.40-21,185.08

Finding the Fourth Proportional to 33,089.68, 45,674.40 and 21,185.08

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Solution

The fourth proportional to 33,089.68, 45,674.40 and 21,185.08 is: 29,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,089.68 : 45,674.40 = 21,185.08 : x
  2. Step 2: Convert to fraction form
    33,089.68/45,674.40 = 21,185.08/x
  3. Step 3: Cross multiply
    33,089.68x = 45,674.40 × 21,185.08
  4. Step 4: Simplify right side
    33,089.68x = 967,615,817.95
  5. Step 5: Solve for x
    x = 967,615,817.95/33,089.68
  6. Step 6: Final answer
    x = 29,242.22

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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.