Home / 34,206.12-47,196.03-20,776.58

Finding the Fourth Proportional to 34,206.12, 47,196.03 and 20,776.58

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Solution

The fourth proportional to 34,206.12, 47,196.03 and 20,776.58 is: 28,666.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,206.12 : 47,196.03 = 20,776.58 : x
  2. Step 2: Convert to fraction form
    34,206.12/47,196.03 = 20,776.58/x
  3. Step 3: Cross multiply
    34,206.12x = 47,196.03 × 20,776.58
  4. Step 4: Simplify right side
    34,206.12x = 980,571,891.50
  5. Step 5: Solve for x
    x = 980,571,891.50/34,206.12
  6. Step 6: Final answer
    x = 28,666.56

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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.