Home / 34,219.63-47,222.58-19,112.55

Finding the Fourth Proportional to 34,219.63, 47,222.58 and 19,112.55

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Solution

The fourth proportional to 34,219.63, 47,222.58 and 19,112.55 is: 26,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,219.63 : 47,222.58 = 19,112.55 : x
  2. Step 2: Convert to fraction form
    34,219.63/47,222.58 = 19,112.55/x
  3. Step 3: Cross multiply
    34,219.63x = 47,222.58 × 19,112.55
  4. Step 4: Simplify right side
    34,219.63x = 902,543,921.38
  5. Step 5: Solve for x
    x = 902,543,921.38/34,219.63
  6. Step 6: Final answer
    x = 26,375.03

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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.