Home / 39,177.87-58,770.91-12,884.67

Finding the Fourth Proportional to 39,177.87, 58,770.91 and 12,884.67

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Solution

The fourth proportional to 39,177.87, 58,770.91 and 12,884.67 is: 19,328.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,177.87 : 58,770.91 = 12,884.67 : x
  2. Step 2: Convert to fraction form
    39,177.87/58,770.91 = 12,884.67/x
  3. Step 3: Cross multiply
    39,177.87x = 58,770.91 × 12,884.67
  4. Step 4: Simplify right side
    39,177.87x = 757,243,487.10
  5. Step 5: Solve for x
    x = 757,243,487.10/39,177.87
  6. Step 6: Final answer
    x = 19,328.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.