Home / 38,761.80-58,147.56-19,023.72

Finding the Fourth Proportional to 38,761.80, 58,147.56 and 19,023.72

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Solution

The fourth proportional to 38,761.80, 58,147.56 and 19,023.72 is: 28,537.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,761.80 : 58,147.56 = 19,023.72 : x
  2. Step 2: Convert to fraction form
    38,761.80/58,147.56 = 19,023.72/x
  3. Step 3: Cross multiply
    38,761.80x = 58,147.56 × 19,023.72
  4. Step 4: Simplify right side
    38,761.80x = 1,106,182,900.12
  5. Step 5: Solve for x
    x = 1,106,182,900.12/38,761.80
  6. Step 6: Final answer
    x = 28,537.97

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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.