Home / 38,273.94-52,818.75-21,279.60

Finding the Fourth Proportional to 38,273.94, 52,818.75 and 21,279.60

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Solution

The fourth proportional to 38,273.94, 52,818.75 and 21,279.60 is: 29,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,273.94 : 52,818.75 = 21,279.60 : x
  2. Step 2: Convert to fraction form
    38,273.94/52,818.75 = 21,279.60/x
  3. Step 3: Cross multiply
    38,273.94x = 52,818.75 × 21,279.60
  4. Step 4: Simplify right side
    38,273.94x = 1,123,961,872.50
  5. Step 5: Solve for x
    x = 1,123,961,872.50/38,273.94
  6. Step 6: Final answer
    x = 29,366.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.