Home / 38,289.33-57,445.47-18,568.53

Finding the Fourth Proportional to 38,289.33, 57,445.47 and 18,568.53

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Solution

The fourth proportional to 38,289.33, 57,445.47 and 18,568.53 is: 27,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,289.33 : 57,445.47 = 18,568.53 : x
  2. Step 2: Convert to fraction form
    38,289.33/57,445.47 = 18,568.53/x
  3. Step 3: Cross multiply
    38,289.33x = 57,445.47 × 18,568.53
  4. Step 4: Simplify right side
    38,289.33x = 1,066,677,933.06
  5. Step 5: Solve for x
    x = 1,066,677,933.06/38,289.33
  6. Step 6: Final answer
    x = 27,858.36

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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.