Home / 38,320.56-57,508.79-19,616.24

Finding the Fourth Proportional to 38,320.56, 57,508.79 and 19,616.24

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Solution

The fourth proportional to 38,320.56, 57,508.79 and 19,616.24 is: 29,438.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,320.56 : 57,508.79 = 19,616.24 : x
  2. Step 2: Convert to fraction form
    38,320.56/57,508.79 = 19,616.24/x
  3. Step 3: Cross multiply
    38,320.56x = 57,508.79 × 19,616.24
  4. Step 4: Simplify right side
    38,320.56x = 1,128,106,272.44
  5. Step 5: Solve for x
    x = 1,128,106,272.44/38,320.56
  6. Step 6: Final answer
    x = 29,438.67

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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.