Home / 31,181.56-46,783.96-18,710.53

Finding the Fourth Proportional to 31,181.56, 46,783.96 and 18,710.53

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Solution

The fourth proportional to 31,181.56, 46,783.96 and 18,710.53 is: 28,072.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,181.56 : 46,783.96 = 18,710.53 : x
  2. Step 2: Convert to fraction form
    31,181.56/46,783.96 = 18,710.53/x
  3. Step 3: Cross multiply
    31,181.56x = 46,783.96 × 18,710.53
  4. Step 4: Simplify right side
    31,181.56x = 875,352,687.10
  5. Step 5: Solve for x
    x = 875,352,687.10/31,181.56
  6. Step 6: Final answer
    x = 28,072.77

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Why These Related Problems?

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