Home / 30,431.04-41,994.72-17,003.52

Finding the Fourth Proportional to 30,431.04, 41,994.72 and 17,003.52

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Solution

The fourth proportional to 30,431.04, 41,994.72 and 17,003.52 is: 23,464.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,431.04 : 41,994.72 = 17,003.52 : x
  2. Step 2: Convert to fraction form
    30,431.04/41,994.72 = 17,003.52/x
  3. Step 3: Cross multiply
    30,431.04x = 41,994.72 × 17,003.52
  4. Step 4: Simplify right side
    30,431.04x = 714,058,061.41
  5. Step 5: Solve for x
    x = 714,058,061.41/30,431.04
  6. Step 6: Final answer
    x = 23,464.79

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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.