Home / 39,357.73-54,312.10-21,452.37

Finding the Fourth Proportional to 39,357.73, 54,312.10 and 21,452.37

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Solution

The fourth proportional to 39,357.73, 54,312.10 and 21,452.37 is: 29,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,357.73 : 54,312.10 = 21,452.37 : x
  2. Step 2: Convert to fraction form
    39,357.73/54,312.10 = 21,452.37/x
  3. Step 3: Cross multiply
    39,357.73x = 54,312.10 × 21,452.37
  4. Step 4: Simplify right side
    39,357.73x = 1,165,123,264.68
  5. Step 5: Solve for x
    x = 1,165,123,264.68/39,357.73
  6. Step 6: Final answer
    x = 29,603.42

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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.