Home / 39,523.14-54,541.17-21,618.09

Finding the Fourth Proportional to 39,523.14, 54,541.17 and 21,618.09

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Solution

The fourth proportional to 39,523.14, 54,541.17 and 21,618.09 is: 29,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,523.14 : 54,541.17 = 21,618.09 : x
  2. Step 2: Convert to fraction form
    39,523.14/54,541.17 = 21,618.09/x
  3. Step 3: Cross multiply
    39,523.14x = 54,541.17 × 21,618.09
  4. Step 4: Simplify right side
    39,523.14x = 1,179,075,921.77
  5. Step 5: Solve for x
    x = 1,179,075,921.77/39,523.14
  6. Step 6: Final answer
    x = 29,832.55

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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.