Home / 45,854.37-68,785.20-19,559.34

Finding the Fourth Proportional to 45,854.37, 68,785.20 and 19,559.34

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Solution

The fourth proportional to 45,854.37, 68,785.20 and 19,559.34 is: 29,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,854.37 : 68,785.20 = 19,559.34 : x
  2. Step 2: Convert to fraction form
    45,854.37/68,785.20 = 19,559.34/x
  3. Step 3: Cross multiply
    45,854.37x = 68,785.20 × 19,559.34
  4. Step 4: Simplify right side
    45,854.37x = 1,345,393,113.77
  5. Step 5: Solve for x
    x = 1,345,393,113.77/45,854.37
  6. Step 6: Final answer
    x = 29,340.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.