Home / 38,879.24-53,655.05-21,884.58

Finding the Fourth Proportional to 38,879.24, 53,655.05 and 21,884.58

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Solution

The fourth proportional to 38,879.24, 53,655.05 and 21,884.58 is: 30,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,879.24 : 53,655.05 = 21,884.58 : x
  2. Step 2: Convert to fraction form
    38,879.24/53,655.05 = 21,884.58/x
  3. Step 3: Cross multiply
    38,879.24x = 53,655.05 × 21,884.58
  4. Step 4: Simplify right side
    38,879.24x = 1,174,217,965.85
  5. Step 5: Solve for x
    x = 1,174,217,965.85/38,879.24
  6. Step 6: Final answer
    x = 30,201.67

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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.