Home / 38,518.02-57,798.38-18,796.74

Finding the Fourth Proportional to 38,518.02, 57,798.38 and 18,796.74

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Solution

The fourth proportional to 38,518.02, 57,798.38 and 18,796.74 is: 28,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,518.02 : 57,798.38 = 18,796.74 : x
  2. Step 2: Convert to fraction form
    38,518.02/57,798.38 = 18,796.74/x
  3. Step 3: Cross multiply
    38,518.02x = 57,798.38 × 18,796.74
  4. Step 4: Simplify right side
    38,518.02x = 1,086,421,121.28
  5. Step 5: Solve for x
    x = 1,086,421,121.28/38,518.02
  6. Step 6: Final answer
    x = 28,205.53

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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.