Home / 34,707.40-47,896.23-18,791.86

Finding the Fourth Proportional to 34,707.40, 47,896.23 and 18,791.86

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Solution

The fourth proportional to 34,707.40, 47,896.23 and 18,791.86 is: 25,932.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,707.40 : 47,896.23 = 18,791.86 : x
  2. Step 2: Convert to fraction form
    34,707.40/47,896.23 = 18,791.86/x
  3. Step 3: Cross multiply
    34,707.40x = 47,896.23 × 18,791.86
  4. Step 4: Simplify right side
    34,707.40x = 900,059,009.21
  5. Step 5: Solve for x
    x = 900,059,009.21/34,707.40
  6. Step 6: Final answer
    x = 25,932.77

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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.