Home / 29,942.56-41,313.12-21,970.94

Finding the Fourth Proportional to 29,942.56, 41,313.12 and 21,970.94

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Solution

The fourth proportional to 29,942.56, 41,313.12 and 21,970.94 is: 30,314.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,942.56 : 41,313.12 = 21,970.94 : x
  2. Step 2: Convert to fraction form
    29,942.56/41,313.12 = 21,970.94/x
  3. Step 3: Cross multiply
    29,942.56x = 41,313.12 × 21,970.94
  4. Step 4: Simplify right side
    29,942.56x = 907,688,080.73
  5. Step 5: Solve for x
    x = 907,688,080.73/29,942.56
  6. Step 6: Final answer
    x = 30,314.32

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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.