Home / 43,990.81-65,986.35-10,710.87

Finding the Fourth Proportional to 43,990.81, 65,986.35 and 10,710.87

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Solution

The fourth proportional to 43,990.81, 65,986.35 and 10,710.87 is: 16,066.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,990.81 : 65,986.35 = 10,710.87 : x
  2. Step 2: Convert to fraction form
    43,990.81/65,986.35 = 10,710.87/x
  3. Step 3: Cross multiply
    43,990.81x = 65,986.35 × 10,710.87
  4. Step 4: Simplify right side
    43,990.81x = 706,771,163.07
  5. Step 5: Solve for x
    x = 706,771,163.07/43,990.81
  6. Step 6: Final answer
    x = 16,066.34

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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.