Home / 38,274.84-57,412.26-20,855.37

Finding the Fourth Proportional to 38,274.84, 57,412.26 and 20,855.37

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Solution

The fourth proportional to 38,274.84, 57,412.26 and 20,855.37 is: 31,283.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,274.84 : 57,412.26 = 20,855.37 : x
  2. Step 2: Convert to fraction form
    38,274.84/57,412.26 = 20,855.37/x
  3. Step 3: Cross multiply
    38,274.84x = 57,412.26 × 20,855.37
  4. Step 4: Simplify right side
    38,274.84x = 1,197,353,924.84
  5. Step 5: Solve for x
    x = 1,197,353,924.84/38,274.84
  6. Step 6: Final answer
    x = 31,283.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.