Home / 33,428.30-46,131.18-19,281.20

Finding the Fourth Proportional to 33,428.30, 46,131.18 and 19,281.20

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Solution

The fourth proportional to 33,428.30, 46,131.18 and 19,281.20 is: 26,608.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,428.30 : 46,131.18 = 19,281.20 : x
  2. Step 2: Convert to fraction form
    33,428.30/46,131.18 = 19,281.20/x
  3. Step 3: Cross multiply
    33,428.30x = 46,131.18 × 19,281.20
  4. Step 4: Simplify right side
    33,428.30x = 889,464,507.82
  5. Step 5: Solve for x
    x = 889,464,507.82/33,428.30
  6. Step 6: Final answer
    x = 26,608.13

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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.