Home / 50,439.72-69,606.16-27,778.28

Finding the Fourth Proportional to 50,439.72, 69,606.16 and 27,778.28

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Solution

The fourth proportional to 50,439.72, 69,606.16 and 27,778.28 is: 38,333.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,439.72 : 69,606.16 = 27,778.28 : x
  2. Step 2: Convert to fraction form
    50,439.72/69,606.16 = 27,778.28/x
  3. Step 3: Cross multiply
    50,439.72x = 69,606.16 × 27,778.28
  4. Step 4: Simplify right side
    50,439.72x = 1,933,539,402.20
  5. Step 5: Solve for x
    x = 1,933,539,402.20/50,439.72
  6. Step 6: Final answer
    x = 38,333.67

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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.