Home / 34,219.71-47,222.68-19,112.20

Finding the Fourth Proportional to 34,219.71, 47,222.68 and 19,112.20

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Solution

The fourth proportional to 34,219.71, 47,222.68 and 19,112.20 is: 26,374.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,219.71 : 47,222.68 = 19,112.20 : x
  2. Step 2: Convert to fraction form
    34,219.71/47,222.68 = 19,112.20/x
  3. Step 3: Cross multiply
    34,219.71x = 47,222.68 × 19,112.20
  4. Step 4: Simplify right side
    34,219.71x = 902,529,304.70
  5. Step 5: Solve for x
    x = 902,529,304.70/34,219.71
  6. Step 6: Final answer
    x = 26,374.55

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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.