Home / 39,801.03-54,925.02-21,896.05

Finding the Fourth Proportional to 39,801.03, 54,925.02 and 21,896.05

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Solution

The fourth proportional to 39,801.03, 54,925.02 and 21,896.05 is: 30,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,801.03 : 54,925.02 = 21,896.05 : x
  2. Step 2: Convert to fraction form
    39,801.03/54,925.02 = 21,896.05/x
  3. Step 3: Cross multiply
    39,801.03x = 54,925.02 × 21,896.05
  4. Step 4: Simplify right side
    39,801.03x = 1,202,640,984.17
  5. Step 5: Solve for x
    x = 1,202,640,984.17/39,801.03
  6. Step 6: Final answer
    x = 30,216.33

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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.