Home / 39,823.01-54,953.66-21,914.55

Finding the Fourth Proportional to 39,823.01, 54,953.66 and 21,914.55

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Solution

The fourth proportional to 39,823.01, 54,953.66 and 21,914.55 is: 30,240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,823.01 : 54,953.66 = 21,914.55 : x
  2. Step 2: Convert to fraction form
    39,823.01/54,953.66 = 21,914.55/x
  3. Step 3: Cross multiply
    39,823.01x = 54,953.66 × 21,914.55
  4. Step 4: Simplify right side
    39,823.01x = 1,204,284,661.27
  5. Step 5: Solve for x
    x = 1,204,284,661.27/39,823.01
  6. Step 6: Final answer
    x = 30,240.93

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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.