Home / 30,991.01-46,487.39-7,617.38

Finding the Fourth Proportional to 30,991.01, 46,487.39 and 7,617.38

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Solution

The fourth proportional to 30,991.01, 46,487.39 and 7,617.38 is: 11,426.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,991.01 : 46,487.39 = 7,617.38 : x
  2. Step 2: Convert to fraction form
    30,991.01/46,487.39 = 7,617.38/x
  3. Step 3: Cross multiply
    30,991.01x = 46,487.39 × 7,617.38
  4. Step 4: Simplify right side
    30,991.01x = 354,111,844.31
  5. Step 5: Solve for x
    x = 354,111,844.31/30,991.01
  6. Step 6: Final answer
    x = 11,426.28

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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.