Home / 39,528.69-54,548.87-21,623.54

Finding the Fourth Proportional to 39,528.69, 54,548.87 and 21,623.54

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Solution

The fourth proportional to 39,528.69, 54,548.87 and 21,623.54 is: 29,840.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,528.69 : 54,548.87 = 21,623.54 : x
  2. Step 2: Convert to fraction form
    39,528.69/54,548.87 = 21,623.54/x
  3. Step 3: Cross multiply
    39,528.69x = 54,548.87 × 21,623.54
  4. Step 4: Simplify right side
    39,528.69x = 1,179,539,672.40
  5. Step 5: Solve for x
    x = 1,179,539,672.40/39,528.69
  6. Step 6: Final answer
    x = 29,840.09

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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.