Home / 54,178.26-74,762.49-30,300.81

Finding the Fourth Proportional to 54,178.26, 74,762.49 and 30,300.81

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Solution

The fourth proportional to 54,178.26, 74,762.49 and 30,300.81 is: 41,813.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,178.26 : 74,762.49 = 30,300.81 : x
  2. Step 2: Convert to fraction form
    54,178.26/74,762.49 = 30,300.81/x
  3. Step 3: Cross multiply
    54,178.26x = 74,762.49 × 30,300.81
  4. Step 4: Simplify right side
    54,178.26x = 2,265,364,004.62
  5. Step 5: Solve for x
    x = 2,265,364,004.62/54,178.26
  6. Step 6: Final answer
    x = 41,813.16

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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.