Home / 34,174.70-47,190.75-21,449.93

Finding the Fourth Proportional to 34,174.70, 47,190.75 and 21,449.93

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Solution

The fourth proportional to 34,174.70, 47,190.75 and 21,449.93 is: 29,619.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,174.70 : 47,190.75 = 21,449.93 : x
  2. Step 2: Convert to fraction form
    34,174.70/47,190.75 = 21,449.93/x
  3. Step 3: Cross multiply
    34,174.70x = 47,190.75 × 21,449.93
  4. Step 4: Simplify right side
    34,174.70x = 1,012,238,176.90
  5. Step 5: Solve for x
    x = 1,012,238,176.90/34,174.70
  6. Step 6: Final answer
    x = 29,619.52

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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.