Home / 38,842.56-58,247.64-12,181.68

Finding the Fourth Proportional to 38,842.56, 58,247.64 and 12,181.68

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Solution

The fourth proportional to 38,842.56, 58,247.64 and 12,181.68 is: 18,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,842.56 : 58,247.64 = 12,181.68 : x
  2. Step 2: Convert to fraction form
    38,842.56/58,247.64 = 12,181.68/x
  3. Step 3: Cross multiply
    38,842.56x = 58,247.64 × 12,181.68
  4. Step 4: Simplify right side
    38,842.56x = 709,554,111.24
  5. Step 5: Solve for x
    x = 709,554,111.24/38,842.56
  6. Step 6: Final answer
    x = 18,267.44

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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.