Home / 43,979.22-65,981.14-17,308.76

Finding the Fourth Proportional to 43,979.22, 65,981.14 and 17,308.76

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Solution

The fourth proportional to 43,979.22, 65,981.14 and 17,308.76 is: 25,967.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,979.22 : 65,981.14 = 17,308.76 : x
  2. Step 2: Convert to fraction form
    43,979.22/65,981.14 = 17,308.76/x
  3. Step 3: Cross multiply
    43,979.22x = 65,981.14 × 17,308.76
  4. Step 4: Simplify right side
    43,979.22x = 1,142,051,604.49
  5. Step 5: Solve for x
    x = 1,142,051,604.49/43,979.22
  6. Step 6: Final answer
    x = 25,967.98

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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.