Home / 43,707.44-65,506.17-18,717.95

Finding the Fourth Proportional to 43,707.44, 65,506.17 and 18,717.95

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Solution

The fourth proportional to 43,707.44, 65,506.17 and 18,717.95 is: 28,053.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,707.44 : 65,506.17 = 18,717.95 : x
  2. Step 2: Convert to fraction form
    43,707.44/65,506.17 = 18,717.95/x
  3. Step 3: Cross multiply
    43,707.44x = 65,506.17 × 18,717.95
  4. Step 4: Simplify right side
    43,707.44x = 1,226,141,214.75
  5. Step 5: Solve for x
    x = 1,226,141,214.75/43,707.44
  6. Step 6: Final answer
    x = 28,053.38

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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.