Home / 30,005.70-41,419.53-26,856.42

Finding the Fourth Proportional to 30,005.70, 41,419.53 and 26,856.42

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Solution

The fourth proportional to 30,005.70, 41,419.53 and 26,856.42 is: 37,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005.70 : 41,419.53 = 26,856.42 : x
  2. Step 2: Convert to fraction form
    30,005.70/41,419.53 = 26,856.42/x
  3. Step 3: Cross multiply
    30,005.70x = 41,419.53 × 26,856.42
  4. Step 4: Simplify right side
    30,005.70x = 1,112,380,293.88
  5. Step 5: Solve for x
    x = 1,112,380,293.88/30,005.70
  6. Step 6: Final answer
    x = 37,072.30

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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.