Home / 54,083.64-74,635.60-30,211.24

Finding the Fourth Proportional to 54,083.64, 74,635.60 and 30,211.24

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Solution

The fourth proportional to 54,083.64, 74,635.60 and 30,211.24 is: 41,691.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,083.64 : 74,635.60 = 30,211.24 : x
  2. Step 2: Convert to fraction form
    54,083.64/74,635.60 = 30,211.24/x
  3. Step 3: Cross multiply
    54,083.64x = 74,635.60 × 30,211.24
  4. Step 4: Simplify right side
    54,083.64x = 2,254,834,024.14
  5. Step 5: Solve for x
    x = 2,254,834,024.14/54,083.64
  6. Step 6: Final answer
    x = 41,691.61

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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.