Home / 39,821.01-59,740.06-13,165.57

Finding the Fourth Proportional to 39,821.01, 59,740.06 and 13,165.57

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Solution

The fourth proportional to 39,821.01, 59,740.06 and 13,165.57 is: 19,751.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,821.01 : 59,740.06 = 13,165.57 : x
  2. Step 2: Convert to fraction form
    39,821.01/59,740.06 = 13,165.57/x
  3. Step 3: Cross multiply
    39,821.01x = 59,740.06 × 13,165.57
  4. Step 4: Simplify right side
    39,821.01x = 786,511,941.73
  5. Step 5: Solve for x
    x = 786,511,941.73/39,821.01
  6. Step 6: Final answer
    x = 19,751.18

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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.