Home / 38,563.21-57,778.71-25,889.23

Finding the Fourth Proportional to 38,563.21, 57,778.71 and 25,889.23

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Solution

The fourth proportional to 38,563.21, 57,778.71 and 25,889.23 is: 38,789.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,563.21 : 57,778.71 = 25,889.23 : x
  2. Step 2: Convert to fraction form
    38,563.21/57,778.71 = 25,889.23/x
  3. Step 3: Cross multiply
    38,563.21x = 57,778.71 × 25,889.23
  4. Step 4: Simplify right side
    38,563.21x = 1,495,846,312.29
  5. Step 5: Solve for x
    x = 1,495,846,312.29/38,563.21
  6. Step 6: Final answer
    x = 38,789.47

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Half scale
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Double scale
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Similar ratio
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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.