Home / 34,619.14-47,790.36-20,276.98

Finding the Fourth Proportional to 34,619.14, 47,790.36 and 20,276.98

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Solution

The fourth proportional to 34,619.14, 47,790.36 and 20,276.98 is: 27,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,619.14 : 47,790.36 = 20,276.98 : x
  2. Step 2: Convert to fraction form
    34,619.14/47,790.36 = 20,276.98/x
  3. Step 3: Cross multiply
    34,619.14x = 47,790.36 × 20,276.98
  4. Step 4: Simplify right side
    34,619.14x = 969,044,173.91
  5. Step 5: Solve for x
    x = 969,044,173.91/34,619.14
  6. Step 6: Final answer
    x = 27,991.57

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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.