Home / 33,428.06-46,130.72-18,320.58

Finding the Fourth Proportional to 33,428.06, 46,130.72 and 18,320.58

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Solution

The fourth proportional to 33,428.06, 46,130.72 and 18,320.58 is: 25,282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,428.06 : 46,130.72 = 18,320.58 : x
  2. Step 2: Convert to fraction form
    33,428.06/46,130.72 = 18,320.58/x
  3. Step 3: Cross multiply
    33,428.06x = 46,130.72 × 18,320.58
  4. Step 4: Simplify right side
    33,428.06x = 845,141,546.22
  5. Step 5: Solve for x
    x = 845,141,546.22/33,428.06
  6. Step 6: Final answer
    x = 25,282.40

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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.