Home / 38,999.99-58,509.75-22,378.79

Finding the Fourth Proportional to 38,999.99, 58,509.75 and 22,378.79

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Solution

The fourth proportional to 38,999.99, 58,509.75 and 22,378.79 is: 33,573.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,999.99 : 58,509.75 = 22,378.79 : x
  2. Step 2: Convert to fraction form
    38,999.99/58,509.75 = 22,378.79/x
  3. Step 3: Cross multiply
    38,999.99x = 58,509.75 × 22,378.79
  4. Step 4: Simplify right side
    38,999.99x = 1,309,377,408.20
  5. Step 5: Solve for x
    x = 1,309,377,408.20/38,999.99
  6. Step 6: Final answer
    x = 33,573.79

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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.