Home / 43,983.81-65,988-14,422.46

Finding the Fourth Proportional to 43,983.81, 65,988 and 14,422.46

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Solution

The fourth proportional to 43,983.81, 65,988 and 14,422.46 is: 21,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,983.81 : 65,988 = 14,422.46 : x
  2. Step 2: Convert to fraction form
    43,983.81/65,988 = 14,422.46/x
  3. Step 3: Cross multiply
    43,983.81x = 65,988 × 14,422.46
  4. Step 4: Simplify right side
    43,983.81x = 951,708,960.54
  5. Step 5: Solve for x
    x = 951,708,960.54/43,983.81
  6. Step 6: Final answer
    x = 21,637.71

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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.