Home / 38,155.24-57,168.06-18,443.08

Finding the Fourth Proportional to 38,155.24, 57,168.06 and 18,443.08

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Solution

The fourth proportional to 38,155.24, 57,168.06 and 18,443.08 is: 27,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,155.24 : 57,168.06 = 18,443.08 : x
  2. Step 2: Convert to fraction form
    38,155.24/57,168.06 = 18,443.08/x
  3. Step 3: Cross multiply
    38,155.24x = 57,168.06 × 18,443.08
  4. Step 4: Simplify right side
    38,155.24x = 1,054,355,104.02
  5. Step 5: Solve for x
    x = 1,054,355,104.02/38,155.24
  6. Step 6: Final answer
    x = 27,633.30

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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.