Home / 34,816.08-48,047-20,668.96

Finding the Fourth Proportional to 34,816.08, 48,047 and 20,668.96

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Solution

The fourth proportional to 34,816.08, 48,047 and 20,668.96 is: 28,523.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,816.08 : 48,047 = 20,668.96 : x
  2. Step 2: Convert to fraction form
    34,816.08/48,047 = 20,668.96/x
  3. Step 3: Cross multiply
    34,816.08x = 48,047 × 20,668.96
  4. Step 4: Simplify right side
    34,816.08x = 993,081,521.12
  5. Step 5: Solve for x
    x = 993,081,521.12/34,816.08
  6. Step 6: Final answer
    x = 28,523.65

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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.