Home / 38,416.86-57,612.30-18,682.86

Finding the Fourth Proportional to 38,416.86, 57,612.30 and 18,682.86

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Solution

The fourth proportional to 38,416.86, 57,612.30 and 18,682.86 is: 28,017.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,416.86 : 57,612.30 = 18,682.86 : x
  2. Step 2: Convert to fraction form
    38,416.86/57,612.30 = 18,682.86/x
  3. Step 3: Cross multiply
    38,416.86x = 57,612.30 × 18,682.86
  4. Step 4: Simplify right side
    38,416.86x = 1,076,362,535.18
  5. Step 5: Solve for x
    x = 1,076,362,535.18/38,416.86
  6. Step 6: Final answer
    x = 28,017.97

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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.