Home / 30,207.24-41,684.64-16,779.42

Finding the Fourth Proportional to 30,207.24, 41,684.64 and 16,779.42

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Solution

The fourth proportional to 30,207.24, 41,684.64 and 16,779.42 is: 23,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,207.24 : 41,684.64 = 16,779.42 : x
  2. Step 2: Convert to fraction form
    30,207.24/41,684.64 = 16,779.42/x
  3. Step 3: Cross multiply
    30,207.24x = 41,684.64 × 16,779.42
  4. Step 4: Simplify right side
    30,207.24x = 699,444,082.11
  5. Step 5: Solve for x
    x = 699,444,082.11/30,207.24
  6. Step 6: Final answer
    x = 23,154.85

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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.