Home / 34,739.25-47,922.50-21,970.94

Finding the Fourth Proportional to 34,739.25, 47,922.50 and 21,970.94

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Solution

The fourth proportional to 34,739.25, 47,922.50 and 21,970.94 is: 30,308.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,739.25 : 47,922.50 = 21,970.94 : x
  2. Step 2: Convert to fraction form
    34,739.25/47,922.50 = 21,970.94/x
  3. Step 3: Cross multiply
    34,739.25x = 47,922.50 × 21,970.94
  4. Step 4: Simplify right side
    34,739.25x = 1,052,902,022.68
  5. Step 5: Solve for x
    x = 1,052,902,022.68/34,739.25
  6. Step 6: Final answer
    x = 30,308.71

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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.