Home / 39,503.21-54,550.80-25,380.65

Finding the Fourth Proportional to 39,503.21, 54,550.80 and 25,380.65

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Solution

The fourth proportional to 39,503.21, 54,550.80 and 25,380.65 is: 35,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,503.21 : 54,550.80 = 25,380.65 : x
  2. Step 2: Convert to fraction form
    39,503.21/54,550.80 = 25,380.65/x
  3. Step 3: Cross multiply
    39,503.21x = 54,550.80 × 25,380.65
  4. Step 4: Simplify right side
    39,503.21x = 1,384,534,898.40
  5. Step 5: Solve for x
    x = 1,384,534,898.40/39,503.21
  6. Step 6: Final answer
    x = 35,048.67

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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.