Home / 30,338.96-41,867.95-16,911.06

Finding the Fourth Proportional to 30,338.96, 41,867.95 and 16,911.06

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Solution

The fourth proportional to 30,338.96, 41,867.95 and 16,911.06 is: 23,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338.96 : 41,867.95 = 16,911.06 : x
  2. Step 2: Convert to fraction form
    30,338.96/41,867.95 = 16,911.06/x
  3. Step 3: Cross multiply
    30,338.96x = 41,867.95 × 16,911.06
  4. Step 4: Simplify right side
    30,338.96x = 708,031,414.53
  5. Step 5: Solve for x
    x = 708,031,414.53/30,338.96
  6. Step 6: Final answer
    x = 23,337.37

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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.