Home / 38,879.02-58,327.79-12,583.76

Finding the Fourth Proportional to 38,879.02, 58,327.79 and 12,583.76

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Solution

The fourth proportional to 38,879.02, 58,327.79 and 12,583.76 is: 18,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,879.02 : 58,327.79 = 12,583.76 : x
  2. Step 2: Convert to fraction form
    38,879.02/58,327.79 = 12,583.76/x
  3. Step 3: Cross multiply
    38,879.02x = 58,327.79 × 12,583.76
  4. Step 4: Simplify right side
    38,879.02x = 733,982,847.77
  5. Step 5: Solve for x
    x = 733,982,847.77/38,879.02
  6. Step 6: Final answer
    x = 18,878.64

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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.