Home / 34,814.25-48,049.74-20,666.79

Finding the Fourth Proportional to 34,814.25, 48,049.74 and 20,666.79

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Solution

The fourth proportional to 34,814.25, 48,049.74 and 20,666.79 is: 28,523.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,814.25 : 48,049.74 = 20,666.79 : x
  2. Step 2: Convert to fraction form
    34,814.25/48,049.74 = 20,666.79/x
  3. Step 3: Cross multiply
    34,814.25x = 48,049.74 × 20,666.79
  4. Step 4: Simplify right side
    34,814.25x = 993,033,886.13
  5. Step 5: Solve for x
    x = 993,033,886.13/34,814.25
  6. Step 6: Final answer
    x = 28,523.78

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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.