Home / 34,285.81-47,318.80-19,179.31

Finding the Fourth Proportional to 34,285.81, 47,318.80 and 19,179.31

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Solution

The fourth proportional to 34,285.81, 47,318.80 and 19,179.31 is: 26,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,285.81 : 47,318.80 = 19,179.31 : x
  2. Step 2: Convert to fraction form
    34,285.81/47,318.80 = 19,179.31/x
  3. Step 3: Cross multiply
    34,285.81x = 47,318.80 × 19,179.31
  4. Step 4: Simplify right side
    34,285.81x = 907,541,934.03
  5. Step 5: Solve for x
    x = 907,541,934.03/34,285.81
  6. Step 6: Final answer
    x = 26,469.90

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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.