Home / 30,840.06-42,558.93-17,411.88

Finding the Fourth Proportional to 30,840.06, 42,558.93 and 17,411.88

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Solution

The fourth proportional to 30,840.06, 42,558.93 and 17,411.88 is: 24,028.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,840.06 : 42,558.93 = 17,411.88 : x
  2. Step 2: Convert to fraction form
    30,840.06/42,558.93 = 17,411.88/x
  3. Step 3: Cross multiply
    30,840.06x = 42,558.93 × 17,411.88
  4. Step 4: Simplify right side
    30,840.06x = 741,030,906.36
  5. Step 5: Solve for x
    x = 741,030,906.36/30,840.06
  6. Step 6: Final answer
    x = 24,028.19

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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.