Home / 38,533.72-57,800.30-19,818.97

Finding the Fourth Proportional to 38,533.72, 57,800.30 and 19,818.97

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Solution

The fourth proportional to 38,533.72, 57,800.30 and 19,818.97 is: 29,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,533.72 : 57,800.30 = 19,818.97 : x
  2. Step 2: Convert to fraction form
    38,533.72/57,800.30 = 19,818.97/x
  3. Step 3: Cross multiply
    38,533.72x = 57,800.30 × 19,818.97
  4. Step 4: Simplify right side
    38,533.72x = 1,145,542,411.69
  5. Step 5: Solve for x
    x = 1,145,542,411.69/38,533.72
  6. Step 6: Final answer
    x = 29,728.31

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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.