Home / 34,815.28-48,042.12-19,707.16

Finding the Fourth Proportional to 34,815.28, 48,042.12 and 19,707.16

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Solution

The fourth proportional to 34,815.28, 48,042.12 and 19,707.16 is: 27,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,815.28 : 48,042.12 = 19,707.16 : x
  2. Step 2: Convert to fraction form
    34,815.28/48,042.12 = 19,707.16/x
  3. Step 3: Cross multiply
    34,815.28x = 48,042.12 × 19,707.16
  4. Step 4: Simplify right side
    34,815.28x = 946,773,745.58
  5. Step 5: Solve for x
    x = 946,773,745.58/34,815.28
  6. Step 6: Final answer
    x = 27,194.20

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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.