Home / 56,938.36-78,574.92-31,787.84

Finding the Fourth Proportional to 56,938.36, 78,574.92 and 31,787.84

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Solution

The fourth proportional to 56,938.36, 78,574.92 and 31,787.84 is: 43,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938.36 : 78,574.92 = 31,787.84 : x
  2. Step 2: Convert to fraction form
    56,938.36/78,574.92 = 31,787.84/x
  3. Step 3: Cross multiply
    56,938.36x = 78,574.92 × 31,787.84
  4. Step 4: Simplify right side
    56,938.36x = 2,497,726,984.97
  5. Step 5: Solve for x
    x = 2,497,726,984.97/56,938.36
  6. Step 6: Final answer
    x = 43,867.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.