Home / 34,620.48-47,776.32-19,716.48

Finding the Fourth Proportional to 34,620.48, 47,776.32 and 19,716.48

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Solution

The fourth proportional to 34,620.48, 47,776.32 and 19,716.48 is: 27,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,620.48 : 47,776.32 = 19,716.48 : x
  2. Step 2: Convert to fraction form
    34,620.48/47,776.32 = 19,716.48/x
  3. Step 3: Cross multiply
    34,620.48x = 47,776.32 × 19,716.48
  4. Step 4: Simplify right side
    34,620.48x = 941,980,857.75
  5. Step 5: Solve for x
    x = 941,980,857.75/34,620.48
  6. Step 6: Final answer
    x = 27,208.78

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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.