Home / 34,709.98-47,896.83-20,368.33

Finding the Fourth Proportional to 34,709.98, 47,896.83 and 20,368.33

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Solution

The fourth proportional to 34,709.98, 47,896.83 and 20,368.33 is: 28,106.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,709.98 : 47,896.83 = 20,368.33 : x
  2. Step 2: Convert to fraction form
    34,709.98/47,896.83 = 20,368.33/x
  3. Step 3: Cross multiply
    34,709.98x = 47,896.83 × 20,368.33
  4. Step 4: Simplify right side
    34,709.98x = 975,578,439.39
  5. Step 5: Solve for x
    x = 975,578,439.39/34,709.98
  6. Step 6: Final answer
    x = 28,106.57

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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.