Home / 33,423.09-46,122.51-19,986.42

Finding the Fourth Proportional to 33,423.09, 46,122.51 and 19,986.42

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Solution

The fourth proportional to 33,423.09, 46,122.51 and 19,986.42 is: 27,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,423.09 : 46,122.51 = 19,986.42 : x
  2. Step 2: Convert to fraction form
    33,423.09/46,122.51 = 19,986.42/x
  3. Step 3: Cross multiply
    33,423.09x = 46,122.51 × 19,986.42
  4. Step 4: Simplify right side
    33,423.09x = 921,823,856.31
  5. Step 5: Solve for x
    x = 921,823,856.31/33,423.09
  6. Step 6: Final answer
    x = 27,580.45

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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.