Home / 34,241.33-47,255.47-20,809.98

Finding the Fourth Proportional to 34,241.33, 47,255.47 and 20,809.98

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Solution

The fourth proportional to 34,241.33, 47,255.47 and 20,809.98 is: 28,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,241.33 : 47,255.47 = 20,809.98 : x
  2. Step 2: Convert to fraction form
    34,241.33/47,255.47 = 20,809.98/x
  3. Step 3: Cross multiply
    34,241.33x = 47,255.47 × 20,809.98
  4. Step 4: Simplify right side
    34,241.33x = 983,385,333.57
  5. Step 5: Solve for x
    x = 983,385,333.57/34,241.33
  6. Step 6: Final answer
    x = 28,719.25

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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.