Home / 54,661.14-75,431.34-30,461.57

Finding the Fourth Proportional to 54,661.14, 75,431.34 and 30,461.57

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Solution

The fourth proportional to 54,661.14, 75,431.34 and 30,461.57 is: 42,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,661.14 : 75,431.34 = 30,461.57 : x
  2. Step 2: Convert to fraction form
    54,661.14/75,431.34 = 30,461.57/x
  3. Step 3: Cross multiply
    54,661.14x = 75,431.34 × 30,461.57
  4. Step 4: Simplify right side
    54,661.14x = 2,297,757,034.99
  5. Step 5: Solve for x
    x = 2,297,757,034.99/54,661.14
  6. Step 6: Final answer
    x = 42,036.39

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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.