Home / 54,305.42-74,940.26-31,643.00

Finding the Fourth Proportional to 54,305.42, 74,940.26 and 31,643.00

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Solution

The fourth proportional to 54,305.42, 74,940.26 and 31,643.00 is: 43,666.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,305.42 : 74,940.26 = 31,643.00 : x
  2. Step 2: Convert to fraction form
    54,305.42/74,940.26 = 31,643.00/x
  3. Step 3: Cross multiply
    54,305.42x = 74,940.26 × 31,643.00
  4. Step 4: Simplify right side
    54,305.42x = 2,371,334,114.26
  5. Step 5: Solve for x
    x = 2,371,334,114.26/54,305.42
  6. Step 6: Final answer
    x = 43,666.62

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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.