Home / 54,940.22-75,804.90-31,061.69

Finding the Fourth Proportional to 54,940.22, 75,804.90 and 31,061.69

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Solution

The fourth proportional to 54,940.22, 75,804.90 and 31,061.69 is: 42,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,940.22 : 75,804.90 = 31,061.69 : x
  2. Step 2: Convert to fraction form
    54,940.22/75,804.90 = 31,061.69/x
  3. Step 3: Cross multiply
    54,940.22x = 75,804.90 × 31,061.69
  4. Step 4: Simplify right side
    54,940.22x = 2,354,628,304.28
  5. Step 5: Solve for x
    x = 2,354,628,304.28/54,940.22
  6. Step 6: Final answer
    x = 42,858.01

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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.