Home / 43,981.80-65,956.32-17,677.68

Finding the Fourth Proportional to 43,981.80, 65,956.32 and 17,677.68

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Solution

The fourth proportional to 43,981.80, 65,956.32 and 17,677.68 is: 26,509.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,981.80 : 65,956.32 = 17,677.68 : x
  2. Step 2: Convert to fraction form
    43,981.80/65,956.32 = 17,677.68/x
  3. Step 3: Cross multiply
    43,981.80x = 65,956.32 × 17,677.68
  4. Step 4: Simplify right side
    43,981.80x = 1,165,954,718.94
  5. Step 5: Solve for x
    x = 1,165,954,718.94/43,981.80
  6. Step 6: Final answer
    x = 26,509.94

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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.