Home / 39,801.02-54,925.02-21,896.04

Finding the Fourth Proportional to 39,801.02, 54,925.02 and 21,896.04

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Solution

The fourth proportional to 39,801.02, 54,925.02 and 21,896.04 is: 30,216.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,801.02 : 54,925.02 = 21,896.04 : x
  2. Step 2: Convert to fraction form
    39,801.02/54,925.02 = 21,896.04/x
  3. Step 3: Cross multiply
    39,801.02x = 54,925.02 × 21,896.04
  4. Step 4: Simplify right side
    39,801.02x = 1,202,640,434.92
  5. Step 5: Solve for x
    x = 1,202,640,434.92/39,801.02
  6. Step 6: Final answer
    x = 30,216.32

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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.