Home / 48,609.35-72,920.10-19,023.36

Finding the Fourth Proportional to 48,609.35, 72,920.10 and 19,023.36

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Solution

The fourth proportional to 48,609.35, 72,920.10 and 19,023.36 is: 28,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,609.35 : 72,920.10 = 19,023.36 : x
  2. Step 2: Convert to fraction form
    48,609.35/72,920.10 = 19,023.36/x
  3. Step 3: Cross multiply
    48,609.35x = 72,920.10 × 19,023.36
  4. Step 4: Simplify right side
    48,609.35x = 1,387,185,313.54
  5. Step 5: Solve for x
    x = 1,387,185,313.54/48,609.35
  6. Step 6: Final answer
    x = 28,537.42

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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.