Home / 38,186.53-57,301.65-21,333.67

Finding the Fourth Proportional to 38,186.53, 57,301.65 and 21,333.67

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Solution

The fourth proportional to 38,186.53, 57,301.65 and 21,333.67 is: 32,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,186.53 : 57,301.65 = 21,333.67 : x
  2. Step 2: Convert to fraction form
    38,186.53/57,301.65 = 21,333.67/x
  3. Step 3: Cross multiply
    38,186.53x = 57,301.65 × 21,333.67
  4. Step 4: Simplify right side
    38,186.53x = 1,222,454,491.56
  5. Step 5: Solve for x
    x = 1,222,454,491.56/38,186.53
  6. Step 6: Final answer
    x = 32,012.71

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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.