Home / 74,664.05-111,994.71-18,504.29

Finding the Fourth Proportional to 74,664.05, 111,994.71 and 18,504.29

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Solution

The fourth proportional to 74,664.05, 111,994.71 and 18,504.29 is: 27,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,664.05 : 111,994.71 = 18,504.29 : x
  2. Step 2: Convert to fraction form
    74,664.05/111,994.71 = 18,504.29/x
  3. Step 3: Cross multiply
    74,664.05x = 111,994.71 × 18,504.29
  4. Step 4: Simplify right side
    74,664.05x = 2,072,382,592.31
  5. Step 5: Solve for x
    x = 2,072,382,592.31/74,664.05
  6. Step 6: Final answer
    x = 27,756.10

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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.