Home / 34,235.64-47,247.41-19,128.39

Finding the Fourth Proportional to 34,235.64, 47,247.41 and 19,128.39

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Solution

The fourth proportional to 34,235.64, 47,247.41 and 19,128.39 is: 26,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,235.64 : 47,247.41 = 19,128.39 : x
  2. Step 2: Convert to fraction form
    34,235.64/47,247.41 = 19,128.39/x
  3. Step 3: Cross multiply
    34,235.64x = 47,247.41 × 19,128.39
  4. Step 4: Simplify right side
    34,235.64x = 903,766,884.97
  5. Step 5: Solve for x
    x = 903,766,884.97/34,235.64
  6. Step 6: Final answer
    x = 26,398.42

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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.