Home / 54,284.07-74,903.22-30,409.32

Finding the Fourth Proportional to 54,284.07, 74,903.22 and 30,409.32

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Solution

The fourth proportional to 54,284.07, 74,903.22 and 30,409.32 is: 41,959.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,284.07 : 74,903.22 = 30,409.32 : x
  2. Step 2: Convert to fraction form
    54,284.07/74,903.22 = 30,409.32/x
  3. Step 3: Cross multiply
    54,284.07x = 74,903.22 × 30,409.32
  4. Step 4: Simplify right side
    54,284.07x = 2,277,755,986.01
  5. Step 5: Solve for x
    x = 2,277,755,986.01/54,284.07
  6. Step 6: Final answer
    x = 41,959.93

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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.