Home / 38,789.80-58,197.23-19,054.51

Finding the Fourth Proportional to 38,789.80, 58,197.23 and 19,054.51

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Solution

The fourth proportional to 38,789.80, 58,197.23 and 19,054.51 is: 28,587.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,789.80 : 58,197.23 = 19,054.51 : x
  2. Step 2: Convert to fraction form
    38,789.80/58,197.23 = 19,054.51/x
  3. Step 3: Cross multiply
    38,789.80x = 58,197.23 × 19,054.51
  4. Step 4: Simplify right side
    38,789.80x = 1,108,919,701.01
  5. Step 5: Solve for x
    x = 1,108,919,701.01/38,789.80
  6. Step 6: Final answer
    x = 28,587.92

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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.