Home / 43,971.78-65,966.91-14,387.31

Finding the Fourth Proportional to 43,971.78, 65,966.91 and 14,387.31

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Solution

The fourth proportional to 43,971.78, 65,966.91 and 14,387.31 is: 21,583.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,971.78 : 65,966.91 = 14,387.31 : x
  2. Step 2: Convert to fraction form
    43,971.78/65,966.91 = 14,387.31/x
  3. Step 3: Cross multiply
    43,971.78x = 65,966.91 × 14,387.31
  4. Step 4: Simplify right side
    43,971.78x = 949,086,383.91
  5. Step 5: Solve for x
    x = 949,086,383.91/43,971.78
  6. Step 6: Final answer
    x = 21,583.99

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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.