Home / 54,193.84-74,790.40-30,319.09

Finding the Fourth Proportional to 54,193.84, 74,790.40 and 30,319.09

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Solution

The fourth proportional to 54,193.84, 74,790.40 and 30,319.09 is: 41,841.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,193.84 : 74,790.40 = 30,319.09 : x
  2. Step 2: Convert to fraction form
    54,193.84/74,790.40 = 30,319.09/x
  3. Step 3: Cross multiply
    54,193.84x = 74,790.40 × 30,319.09
  4. Step 4: Simplify right side
    54,193.84x = 2,267,576,868.74
  5. Step 5: Solve for x
    x = 2,267,576,868.74/54,193.84
  6. Step 6: Final answer
    x = 41,841.97

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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.