Home / 34,742.45-47,940.74-19,635.09

Finding the Fourth Proportional to 34,742.45, 47,940.74 and 19,635.09

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Solution

The fourth proportional to 34,742.45, 47,940.74 and 19,635.09 is: 27,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,742.45 : 47,940.74 = 19,635.09 : x
  2. Step 2: Convert to fraction form
    34,742.45/47,940.74 = 19,635.09/x
  3. Step 3: Cross multiply
    34,742.45x = 47,940.74 × 19,635.09
  4. Step 4: Simplify right side
    34,742.45x = 941,320,646.39
  5. Step 5: Solve for x
    x = 941,320,646.39/34,742.45
  6. Step 6: Final answer
    x = 27,094.25

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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.