Home / 37,979.21-57,004.56-19,272.67

Finding the Fourth Proportional to 37,979.21, 57,004.56 and 19,272.67

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Solution

The fourth proportional to 37,979.21, 57,004.56 and 19,272.67 is: 28,927.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,979.21 : 57,004.56 = 19,272.67 : x
  2. Step 2: Convert to fraction form
    37,979.21/57,004.56 = 19,272.67/x
  3. Step 3: Cross multiply
    37,979.21x = 57,004.56 × 19,272.67
  4. Step 4: Simplify right side
    37,979.21x = 1,098,630,073.38
  5. Step 5: Solve for x
    x = 1,098,630,073.38/37,979.21
  6. Step 6: Final answer
    x = 28,927.14

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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.