Home / 30,386.85-41,935.64-16,958.67

Finding the Fourth Proportional to 30,386.85, 41,935.64 and 16,958.67

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Solution

The fourth proportional to 30,386.85, 41,935.64 and 16,958.67 is: 23,403.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.85 : 41,935.64 = 16,958.67 : x
  2. Step 2: Convert to fraction form
    30,386.85/41,935.64 = 16,958.67/x
  3. Step 3: Cross multiply
    30,386.85x = 41,935.64 × 16,958.67
  4. Step 4: Simplify right side
    30,386.85x = 711,172,595.21
  5. Step 5: Solve for x
    x = 711,172,595.21/30,386.85
  6. Step 6: Final answer
    x = 23,403.96

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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.