Home / 38,121.93-57,202.51-18,154.07

Finding the Fourth Proportional to 38,121.93, 57,202.51 and 18,154.07

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Solution

The fourth proportional to 38,121.93, 57,202.51 and 18,154.07 is: 27,240.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,121.93 : 57,202.51 = 18,154.07 : x
  2. Step 2: Convert to fraction form
    38,121.93/57,202.51 = 18,154.07/x
  3. Step 3: Cross multiply
    38,121.93x = 57,202.51 × 18,154.07
  4. Step 4: Simplify right side
    38,121.93x = 1,038,458,322.19
  5. Step 5: Solve for x
    x = 1,038,458,322.19/38,121.93
  6. Step 6: Final answer
    x = 27,240.44

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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.