Home / 34,707.48-47,893.38-20,365.83

Finding the Fourth Proportional to 34,707.48, 47,893.38 and 20,365.83

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Solution

The fourth proportional to 34,707.48, 47,893.38 and 20,365.83 is: 28,103.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,707.48 : 47,893.38 = 20,365.83 : x
  2. Step 2: Convert to fraction form
    34,707.48/47,893.38 = 20,365.83/x
  3. Step 3: Cross multiply
    34,707.48x = 47,893.38 × 20,365.83
  4. Step 4: Simplify right side
    34,707.48x = 975,388,435.21
  5. Step 5: Solve for x
    x = 975,388,435.21/34,707.48
  6. Step 6: Final answer
    x = 28,103.12

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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.