Home / 34,208.76-47,195.08-20,774.92

Finding the Fourth Proportional to 34,208.76, 47,195.08 and 20,774.92

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Solution

The fourth proportional to 34,208.76, 47,195.08 and 20,774.92 is: 28,661.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,208.76 : 47,195.08 = 20,774.92 : x
  2. Step 2: Convert to fraction form
    34,208.76/47,195.08 = 20,774.92/x
  3. Step 3: Cross multiply
    34,208.76x = 47,195.08 × 20,774.92
  4. Step 4: Simplify right side
    34,208.76x = 980,474,011.39
  5. Step 5: Solve for x
    x = 980,474,011.39/34,208.76
  6. Step 6: Final answer
    x = 28,661.49

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Double scale
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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.