Home / 34,121.76-51,172.92-21,622.92

Finding the Fourth Proportional to 34,121.76, 51,172.92 and 21,622.92

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Solution

The fourth proportional to 34,121.76, 51,172.92 and 21,622.92 is: 32,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,121.76 : 51,172.92 = 21,622.92 : x
  2. Step 2: Convert to fraction form
    34,121.76/51,172.92 = 21,622.92/x
  3. Step 3: Cross multiply
    34,121.76x = 51,172.92 × 21,622.92
  4. Step 4: Simplify right side
    34,121.76x = 1,106,507,955.33
  5. Step 5: Solve for x
    x = 1,106,507,955.33/34,121.76
  6. Step 6: Final answer
    x = 32,428.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.