Home / 33,428.48-46,131.65-18,320.81

Finding the Fourth Proportional to 33,428.48, 46,131.65 and 18,320.81

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Solution

The fourth proportional to 33,428.48, 46,131.65 and 18,320.81 is: 25,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,428.48 : 46,131.65 = 18,320.81 : x
  2. Step 2: Convert to fraction form
    33,428.48/46,131.65 = 18,320.81/x
  3. Step 3: Cross multiply
    33,428.48x = 46,131.65 × 18,320.81
  4. Step 4: Simplify right side
    33,428.48x = 845,169,122.35
  5. Step 5: Solve for x
    x = 845,169,122.35/33,428.48
  6. Step 6: Final answer
    x = 25,282.90

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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.