Home / 31,276.70-46,918.02-8,787.32

Finding the Fourth Proportional to 31,276.70, 46,918.02 and 8,787.32

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Solution

The fourth proportional to 31,276.70, 46,918.02 and 8,787.32 is: 13,181.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,276.70 : 46,918.02 = 8,787.32 : x
  2. Step 2: Convert to fraction form
    31,276.70/46,918.02 = 8,787.32/x
  3. Step 3: Cross multiply
    31,276.70x = 46,918.02 × 8,787.32
  4. Step 4: Simplify right side
    31,276.70x = 412,283,655.51
  5. Step 5: Solve for x
    x = 412,283,655.51/31,276.70
  6. Step 6: Final answer
    x = 13,181.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.