Home / 20,840.18-31,265.33-6,048.77

Finding the Fourth Proportional to 20,840.18, 31,265.33 and 6,048.77

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Solution

The fourth proportional to 20,840.18, 31,265.33 and 6,048.77 is: 9,074.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,840.18 : 31,265.33 = 6,048.77 : x
  2. Step 2: Convert to fraction form
    20,840.18/31,265.33 = 6,048.77/x
  3. Step 3: Cross multiply
    20,840.18x = 31,265.33 × 6,048.77
  4. Step 4: Simplify right side
    20,840.18x = 189,116,603.57
  5. Step 5: Solve for x
    x = 189,116,603.57/20,840.18
  6. Step 6: Final answer
    x = 9,074.62

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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.