Home / 30,471.08-45,668.64-16,396.16

Finding the Fourth Proportional to 30,471.08, 45,668.64 and 16,396.16

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Solution

The fourth proportional to 30,471.08, 45,668.64 and 16,396.16 is: 24,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,471.08 : 45,668.64 = 16,396.16 : x
  2. Step 2: Convert to fraction form
    30,471.08/45,668.64 = 16,396.16/x
  3. Step 3: Cross multiply
    30,471.08x = 45,668.64 × 16,396.16
  4. Step 4: Simplify right side
    30,471.08x = 748,790,328.42
  5. Step 5: Solve for x
    x = 748,790,328.42/30,471.08
  6. Step 6: Final answer
    x = 24,573.80

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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.