Home / 34,103.84-47,063.12-18,996.68

Finding the Fourth Proportional to 34,103.84, 47,063.12 and 18,996.68

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Solution

The fourth proportional to 34,103.84, 47,063.12 and 18,996.68 is: 26,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,103.84 : 47,063.12 = 18,996.68 : x
  2. Step 2: Convert to fraction form
    34,103.84/47,063.12 = 18,996.68/x
  3. Step 3: Cross multiply
    34,103.84x = 47,063.12 × 18,996.68
  4. Step 4: Simplify right side
    34,103.84x = 894,043,030.44
  5. Step 5: Solve for x
    x = 894,043,030.44/34,103.84
  6. Step 6: Final answer
    x = 26,215.32

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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.