Home / 38,525.50-57,818.37-19,804.78

Finding the Fourth Proportional to 38,525.50, 57,818.37 and 19,804.78

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Solution

The fourth proportional to 38,525.50, 57,818.37 and 19,804.78 is: 29,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,525.50 : 57,818.37 = 19,804.78 : x
  2. Step 2: Convert to fraction form
    38,525.50/57,818.37 = 19,804.78/x
  3. Step 3: Cross multiply
    38,525.50x = 57,818.37 × 19,804.78
  4. Step 4: Simplify right side
    38,525.50x = 1,145,079,808.72
  5. Step 5: Solve for x
    x = 1,145,079,808.72/38,525.50
  6. Step 6: Final answer
    x = 29,722.65

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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.