Home / 34,238.37-47,245.87-19,128.93

Finding the Fourth Proportional to 34,238.37, 47,245.87 and 19,128.93

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Solution

The fourth proportional to 34,238.37, 47,245.87 and 19,128.93 is: 26,396.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,238.37 : 47,245.87 = 19,128.93 : x
  2. Step 2: Convert to fraction form
    34,238.37/47,245.87 = 19,128.93/x
  3. Step 3: Cross multiply
    34,238.37x = 47,245.87 × 19,128.93
  4. Step 4: Simplify right side
    34,238.37x = 903,762,940.02
  5. Step 5: Solve for x
    x = 903,762,940.02/34,238.37
  6. Step 6: Final answer
    x = 26,396.21

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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.