Home / 54,283.49-74,957.09-40,831.31

Finding the Fourth Proportional to 54,283.49, 74,957.09 and 40,831.31

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Solution

The fourth proportional to 54,283.49, 74,957.09 and 40,831.31 is: 56,381.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,283.49 : 74,957.09 = 40,831.31 : x
  2. Step 2: Convert to fraction form
    54,283.49/74,957.09 = 40,831.31/x
  3. Step 3: Cross multiply
    54,283.49x = 74,957.09 × 40,831.31
  4. Step 4: Simplify right side
    54,283.49x = 3,060,595,905.78
  5. Step 5: Solve for x
    x = 3,060,595,905.78/54,283.49
  6. Step 6: Final answer
    x = 56,381.71

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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.