Home / 54,172.63-74,757.80-30,299.29

Finding the Fourth Proportional to 54,172.63, 74,757.80 and 30,299.29

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Solution

The fourth proportional to 54,172.63, 74,757.80 and 30,299.29 is: 41,812.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,172.63 : 74,757.80 = 30,299.29 : x
  2. Step 2: Convert to fraction form
    54,172.63/74,757.80 = 30,299.29/x
  3. Step 3: Cross multiply
    54,172.63x = 74,757.80 × 30,299.29
  4. Step 4: Simplify right side
    54,172.63x = 2,265,108,150.82
  5. Step 5: Solve for x
    x = 2,265,108,150.82/54,172.63
  6. Step 6: Final answer
    x = 41,812.78

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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.