Home / 34,777.44-47,992.28-19,669.50

Finding the Fourth Proportional to 34,777.44, 47,992.28 and 19,669.50

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Solution

The fourth proportional to 34,777.44, 47,992.28 and 19,669.50 is: 27,143.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,777.44 : 47,992.28 = 19,669.50 : x
  2. Step 2: Convert to fraction form
    34,777.44/47,992.28 = 19,669.50/x
  3. Step 3: Cross multiply
    34,777.44x = 47,992.28 × 19,669.50
  4. Step 4: Simplify right side
    34,777.44x = 943,984,053.11
  5. Step 5: Solve for x
    x = 943,984,053.11/34,777.44
  6. Step 6: Final answer
    x = 27,143.58

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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.