Home / 34,541.83-47,669.48-20,394.37

Finding the Fourth Proportional to 34,541.83, 47,669.48 and 20,394.37

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Solution

The fourth proportional to 34,541.83, 47,669.48 and 20,394.37 is: 28,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,541.83 : 47,669.48 = 20,394.37 : x
  2. Step 2: Convert to fraction form
    34,541.83/47,669.48 = 20,394.37/x
  3. Step 3: Cross multiply
    34,541.83x = 47,669.48 × 20,394.37
  4. Step 4: Simplify right side
    34,541.83x = 972,189,012.83
  5. Step 5: Solve for x
    x = 972,189,012.83/34,541.83
  6. Step 6: Final answer
    x = 28,145.27

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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.