Home / 39,358.41-54,313.00-21,453.02

Finding the Fourth Proportional to 39,358.41, 54,313.00 and 21,453.02

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Solution

The fourth proportional to 39,358.41, 54,313.00 and 21,453.02 is: 29,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,358.41 : 54,313.00 = 21,453.02 : x
  2. Step 2: Convert to fraction form
    39,358.41/54,313.00 = 21,453.02/x
  3. Step 3: Cross multiply
    39,358.41x = 54,313.00 × 21,453.02
  4. Step 4: Simplify right side
    39,358.41x = 1,165,178,059.25
  5. Step 5: Solve for x
    x = 1,165,178,059.25/39,358.41
  6. Step 6: Final answer
    x = 29,604.30

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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.