Home / 54,283.88-74,911.75-30,410.54

Finding the Fourth Proportional to 54,283.88, 74,911.75 and 30,410.54

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Solution

The fourth proportional to 54,283.88, 74,911.75 and 30,410.54 is: 41,966.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,283.88 : 74,911.75 = 30,410.54 : x
  2. Step 2: Convert to fraction form
    54,283.88/74,911.75 = 30,410.54/x
  3. Step 3: Cross multiply
    54,283.88x = 74,911.75 × 30,410.54
  4. Step 4: Simplify right side
    54,283.88x = 2,278,106,881.10
  5. Step 5: Solve for x
    x = 2,278,106,881.10/54,283.88
  6. Step 6: Final answer
    x = 41,966.55

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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.