Home / 38,482.14-53,104.84-21,486.67

Finding the Fourth Proportional to 38,482.14, 53,104.84 and 21,486.67

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Solution

The fourth proportional to 38,482.14, 53,104.84 and 21,486.67 is: 29,651.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,482.14 : 53,104.84 = 21,486.67 : x
  2. Step 2: Convert to fraction form
    38,482.14/53,104.84 = 21,486.67/x
  3. Step 3: Cross multiply
    38,482.14x = 53,104.84 × 21,486.67
  4. Step 4: Simplify right side
    38,482.14x = 1,141,045,906.96
  5. Step 5: Solve for x
    x = 1,141,045,906.96/38,482.14
  6. Step 6: Final answer
    x = 29,651.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.