Home / 40,283.76-55,576.08-29,698.56

Finding the Fourth Proportional to 40,283.76, 55,576.08 and 29,698.56

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Solution

The fourth proportional to 40,283.76, 55,576.08 and 29,698.56 is: 40,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,283.76 : 55,576.08 = 29,698.56 : x
  2. Step 2: Convert to fraction form
    40,283.76/55,576.08 = 29,698.56/x
  3. Step 3: Cross multiply
    40,283.76x = 55,576.08 × 29,698.56
  4. Step 4: Simplify right side
    40,283.76x = 1,650,529,546.44
  5. Step 5: Solve for x
    x = 1,650,529,546.44/40,283.76
  6. Step 6: Final answer
    x = 40,972.58

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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.