Home / 54,282.96-74,911.26-31,621.36

Finding the Fourth Proportional to 54,282.96, 74,911.26 and 31,621.36

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Solution

The fourth proportional to 54,282.96, 74,911.26 and 31,621.36 is: 43,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,282.96 : 74,911.26 = 31,621.36 : x
  2. Step 2: Convert to fraction form
    54,282.96/74,911.26 = 31,621.36/x
  3. Step 3: Cross multiply
    54,282.96x = 74,911.26 × 31,621.36
  4. Step 4: Simplify right side
    54,282.96x = 2,368,795,920.51
  5. Step 5: Solve for x
    x = 2,368,795,920.51/54,282.96
  6. Step 6: Final answer
    x = 43,637.93

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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.