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Finding the Fourth Proportional to 43,359.84, 65,044.08 and 19,992.96

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Solution

The fourth proportional to 43,359.84, 65,044.08 and 19,992.96 is: 29,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,359.84 : 65,044.08 = 19,992.96 : x
  2. Step 2: Convert to fraction form
    43,359.84/65,044.08 = 19,992.96/x
  3. Step 3: Cross multiply
    43,359.84x = 65,044.08 × 19,992.96
  4. Step 4: Simplify right side
    43,359.84x = 1,300,423,689.68
  5. Step 5: Solve for x
    x = 1,300,423,689.68/43,359.84
  6. Step 6: Final answer
    x = 29,991.43

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1.5x scale

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.