Home / 30,435.17-41,997.78-17,004.56

Finding the Fourth Proportional to 30,435.17, 41,997.78 and 17,004.56

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Solution

The fourth proportional to 30,435.17, 41,997.78 and 17,004.56 is: 23,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,435.17 : 41,997.78 = 17,004.56 : x
  2. Step 2: Convert to fraction form
    30,435.17/41,997.78 = 17,004.56/x
  3. Step 3: Cross multiply
    30,435.17x = 41,997.78 × 17,004.56
  4. Step 4: Simplify right side
    30,435.17x = 714,153,559.89
  5. Step 5: Solve for x
    x = 714,153,559.89/30,435.17
  6. Step 6: Final answer
    x = 23,464.75

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1.5x scale

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.