Home / 34,910.38-48,172.67-19,798.21

Finding the Fourth Proportional to 34,910.38, 48,172.67 and 19,798.21

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Solution

The fourth proportional to 34,910.38, 48,172.67 and 19,798.21 is: 27,319.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,910.38 : 48,172.67 = 19,798.21 : x
  2. Step 2: Convert to fraction form
    34,910.38/48,172.67 = 19,798.21/x
  3. Step 3: Cross multiply
    34,910.38x = 48,172.67 × 19,798.21
  4. Step 4: Simplify right side
    34,910.38x = 953,732,636.92
  5. Step 5: Solve for x
    x = 953,732,636.92/34,910.38
  6. Step 6: Final answer
    x = 27,319.46

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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.