Home / 34,455.23-47,552.62-21,023.64

Finding the Fourth Proportional to 34,455.23, 47,552.62 and 21,023.64

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Solution

The fourth proportional to 34,455.23, 47,552.62 and 21,023.64 is: 29,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,455.23 : 47,552.62 = 21,023.64 : x
  2. Step 2: Convert to fraction form
    34,455.23/47,552.62 = 21,023.64/x
  3. Step 3: Cross multiply
    34,455.23x = 47,552.62 × 21,023.64
  4. Step 4: Simplify right side
    34,455.23x = 999,729,163.94
  5. Step 5: Solve for x
    x = 999,729,163.94/34,455.23
  6. Step 6: Final answer
    x = 29,015.31

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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.