Home / 54,037.16-74,576.90-30,172.04

Finding the Fourth Proportional to 54,037.16, 74,576.90 and 30,172.04

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Solution

The fourth proportional to 54,037.16, 74,576.90 and 30,172.04 is: 41,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,037.16 : 74,576.90 = 30,172.04 : x
  2. Step 2: Convert to fraction form
    54,037.16/74,576.90 = 30,172.04/x
  3. Step 3: Cross multiply
    54,037.16x = 74,576.90 × 30,172.04
  4. Step 4: Simplify right side
    54,037.16x = 2,250,137,209.88
  5. Step 5: Solve for x
    x = 2,250,137,209.88/54,037.16
  6. Step 6: Final answer
    x = 41,640.55

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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.