Home / 33,428.21-46,131.47-18,322.32

Finding the Fourth Proportional to 33,428.21, 46,131.47 and 18,322.32

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Solution

The fourth proportional to 33,428.21, 46,131.47 and 18,322.32 is: 25,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,428.21 : 46,131.47 = 18,322.32 : x
  2. Step 2: Convert to fraction form
    33,428.21/46,131.47 = 18,322.32/x
  3. Step 3: Cross multiply
    33,428.21x = 46,131.47 × 18,322.32
  4. Step 4: Simplify right side
    33,428.21x = 845,235,555.41
  5. Step 5: Solve for x
    x = 845,235,555.41/33,428.21
  6. Step 6: Final answer
    x = 25,285.10

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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.