Home / 34,206.78-47,204.90-19,099.70

Finding the Fourth Proportional to 34,206.78, 47,204.90 and 19,099.70

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Solution

The fourth proportional to 34,206.78, 47,204.90 and 19,099.70 is: 26,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,206.78 : 47,204.90 = 19,099.70 : x
  2. Step 2: Convert to fraction form
    34,206.78/47,204.90 = 19,099.70/x
  3. Step 3: Cross multiply
    34,206.78x = 47,204.90 × 19,099.70
  4. Step 4: Simplify right side
    34,206.78x = 901,599,097.01
  5. Step 5: Solve for x
    x = 901,599,097.01/34,206.78
  6. Step 6: Final answer
    x = 26,357.32

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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.