Home / 43,970.67-65,966.94-12,805.92

Finding the Fourth Proportional to 43,970.67, 65,966.94 and 12,805.92

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Solution

The fourth proportional to 43,970.67, 65,966.94 and 12,805.92 is: 19,212.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,970.67 : 65,966.94 = 12,805.92 : x
  2. Step 2: Convert to fraction form
    43,970.67/65,966.94 = 12,805.92/x
  3. Step 3: Cross multiply
    43,970.67x = 65,966.94 × 12,805.92
  4. Step 4: Simplify right side
    43,970.67x = 844,767,356.28
  5. Step 5: Solve for x
    x = 844,767,356.28/43,970.67
  6. Step 6: Final answer
    x = 19,212.06

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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.