Home / 30,253.05-41,748.48-16,823.79

Finding the Fourth Proportional to 30,253.05, 41,748.48 and 16,823.79

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Solution

The fourth proportional to 30,253.05, 41,748.48 and 16,823.79 is: 23,216.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253.05 : 41,748.48 = 16,823.79 : x
  2. Step 2: Convert to fraction form
    30,253.05/41,748.48 = 16,823.79/x
  3. Step 3: Cross multiply
    30,253.05x = 41,748.48 × 16,823.79
  4. Step 4: Simplify right side
    30,253.05x = 702,367,660.34
  5. Step 5: Solve for x
    x = 702,367,660.34/30,253.05
  6. Step 6: Final answer
    x = 23,216.42

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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.