Home / 38,151.35-57,153.22-21,460.67

Finding the Fourth Proportional to 38,151.35, 57,153.22 and 21,460.67

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Solution

The fourth proportional to 38,151.35, 57,153.22 and 21,460.67 is: 32,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,151.35 : 57,153.22 = 21,460.67 : x
  2. Step 2: Convert to fraction form
    38,151.35/57,153.22 = 21,460.67/x
  3. Step 3: Cross multiply
    38,151.35x = 57,153.22 × 21,460.67
  4. Step 4: Simplify right side
    38,151.35x = 1,226,546,054.44
  5. Step 5: Solve for x
    x = 1,226,546,054.44/38,151.35
  6. Step 6: Final answer
    x = 32,149.48

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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.