Home / 43,977.74-65,972.08-14,387.62

Finding the Fourth Proportional to 43,977.74, 65,972.08 and 14,387.62

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Solution

The fourth proportional to 43,977.74, 65,972.08 and 14,387.62 is: 21,583.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,977.74 : 65,972.08 = 14,387.62 : x
  2. Step 2: Convert to fraction form
    43,977.74/65,972.08 = 14,387.62/x
  3. Step 3: Cross multiply
    43,977.74x = 65,972.08 × 14,387.62
  4. Step 4: Simplify right side
    43,977.74x = 949,181,217.65
  5. Step 5: Solve for x
    x = 949,181,217.65/43,977.74
  6. Step 6: Final answer
    x = 21,583.22

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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.