Home / 38,181.42-57,289.14-14,809.68

Finding the Fourth Proportional to 38,181.42, 57,289.14 and 14,809.68

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Solution

The fourth proportional to 38,181.42, 57,289.14 and 14,809.68 is: 22,221.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,181.42 : 57,289.14 = 14,809.68 : x
  2. Step 2: Convert to fraction form
    38,181.42/57,289.14 = 14,809.68/x
  3. Step 3: Cross multiply
    38,181.42x = 57,289.14 × 14,809.68
  4. Step 4: Simplify right side
    38,181.42x = 848,433,830.88
  5. Step 5: Solve for x
    x = 848,433,830.88/38,181.42
  6. Step 6: Final answer
    x = 22,221.12

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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.