Home / 38,823.96-53,578.98-21,833.55

Finding the Fourth Proportional to 38,823.96, 53,578.98 and 21,833.55

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Solution

The fourth proportional to 38,823.96, 53,578.98 and 21,833.55 is: 30,131.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,823.96 : 53,578.98 = 21,833.55 : x
  2. Step 2: Convert to fraction form
    38,823.96/53,578.98 = 21,833.55/x
  3. Step 3: Cross multiply
    38,823.96x = 53,578.98 × 21,833.55
  4. Step 4: Simplify right side
    38,823.96x = 1,169,819,338.78
  5. Step 5: Solve for x
    x = 1,169,819,338.78/38,823.96
  6. Step 6: Final answer
    x = 30,131.38

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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.