Home / 30,433.78-41,994.43-17,003.36

Finding the Fourth Proportional to 30,433.78, 41,994.43 and 17,003.36

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Solution

The fourth proportional to 30,433.78, 41,994.43 and 17,003.36 is: 23,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,433.78 : 41,994.43 = 17,003.36 : x
  2. Step 2: Convert to fraction form
    30,433.78/41,994.43 = 17,003.36/x
  3. Step 3: Cross multiply
    30,433.78x = 41,994.43 × 17,003.36
  4. Step 4: Simplify right side
    30,433.78x = 714,046,411.28
  5. Step 5: Solve for x
    x = 714,046,411.28/30,433.78
  6. Step 6: Final answer
    x = 23,462.30

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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.