Home / 43,985.13-65,976.78-10,705.38

Finding the Fourth Proportional to 43,985.13, 65,976.78 and 10,705.38

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Solution

The fourth proportional to 43,985.13, 65,976.78 and 10,705.38 is: 16,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,985.13 : 65,976.78 = 10,705.38 : x
  2. Step 2: Convert to fraction form
    43,985.13/65,976.78 = 10,705.38/x
  3. Step 3: Cross multiply
    43,985.13x = 65,976.78 × 10,705.38
  4. Step 4: Simplify right side
    43,985.13x = 706,306,574.60
  5. Step 5: Solve for x
    x = 706,306,574.60/43,985.13
  6. Step 6: Final answer
    x = 16,057.85

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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.