Home / 38,325.83-57,381.08-28,936.31

Finding the Fourth Proportional to 38,325.83, 57,381.08 and 28,936.31

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Solution

The fourth proportional to 38,325.83, 57,381.08 and 28,936.31 is: 43,323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,325.83 : 57,381.08 = 28,936.31 : x
  2. Step 2: Convert to fraction form
    38,325.83/57,381.08 = 28,936.31/x
  3. Step 3: Cross multiply
    38,325.83x = 57,381.08 × 28,936.31
  4. Step 4: Simplify right side
    38,325.83x = 1,660,396,287.43
  5. Step 5: Solve for x
    x = 1,660,396,287.43/38,325.83
  6. Step 6: Final answer
    x = 43,323.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.