Home / 55,021.36-75,929.52-29,871.04

Finding the Fourth Proportional to 55,021.36, 75,929.52 and 29,871.04

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Solution

The fourth proportional to 55,021.36, 75,929.52 and 29,871.04 is: 41,222.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,021.36 : 75,929.52 = 29,871.04 : x
  2. Step 2: Convert to fraction form
    55,021.36/75,929.52 = 29,871.04/x
  3. Step 3: Cross multiply
    55,021.36x = 75,929.52 × 29,871.04
  4. Step 4: Simplify right side
    55,021.36x = 2,268,093,729.10
  5. Step 5: Solve for x
    x = 2,268,093,729.10/55,021.36
  6. Step 6: Final answer
    x = 41,222.06

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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.