Home / 38,072.44-57,129.18-18,077.32

Finding the Fourth Proportional to 38,072.44, 57,129.18 and 18,077.32

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Solution

The fourth proportional to 38,072.44, 57,129.18 and 18,077.32 is: 27,125.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,072.44 : 57,129.18 = 18,077.32 : x
  2. Step 2: Convert to fraction form
    38,072.44/57,129.18 = 18,077.32/x
  3. Step 3: Cross multiply
    38,072.44x = 57,129.18 × 18,077.32
  4. Step 4: Simplify right side
    38,072.44x = 1,032,742,468.20
  5. Step 5: Solve for x
    x = 1,032,742,468.20/38,072.44
  6. Step 6: Final answer
    x = 27,125.72

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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.