Home / 34,538.54-47,662.67-19,431.22

Finding the Fourth Proportional to 34,538.54, 47,662.67 and 19,431.22

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Solution

The fourth proportional to 34,538.54, 47,662.67 and 19,431.22 is: 26,814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,538.54 : 47,662.67 = 19,431.22 : x
  2. Step 2: Convert to fraction form
    34,538.54/47,662.67 = 19,431.22/x
  3. Step 3: Cross multiply
    34,538.54x = 47,662.67 × 19,431.22
  4. Step 4: Simplify right side
    34,538.54x = 926,143,574.67
  5. Step 5: Solve for x
    x = 926,143,574.67/34,538.54
  6. Step 6: Final answer
    x = 26,814.79

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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.