Home / 39,453.34-54,438.39-22,456.60

Finding the Fourth Proportional to 39,453.34, 54,438.39 and 22,456.60

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Solution

The fourth proportional to 39,453.34, 54,438.39 and 22,456.60 is: 30,986.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,453.34 : 54,438.39 = 22,456.60 : x
  2. Step 2: Convert to fraction form
    39,453.34/54,438.39 = 22,456.60/x
  3. Step 3: Cross multiply
    39,453.34x = 54,438.39 × 22,456.60
  4. Step 4: Simplify right side
    39,453.34x = 1,222,501,148.87
  5. Step 5: Solve for x
    x = 1,222,501,148.87/39,453.34
  6. Step 6: Final answer
    x = 30,986.00

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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.