Home / 43,405.29-65,110.47-16,751.43

Finding the Fourth Proportional to 43,405.29, 65,110.47 and 16,751.43

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Solution

The fourth proportional to 43,405.29, 65,110.47 and 16,751.43 is: 25,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,405.29 : 65,110.47 = 16,751.43 : x
  2. Step 2: Convert to fraction form
    43,405.29/65,110.47 = 16,751.43/x
  3. Step 3: Cross multiply
    43,405.29x = 65,110.47 × 16,751.43
  4. Step 4: Simplify right side
    43,405.29x = 1,090,693,480.47
  5. Step 5: Solve for x
    x = 1,090,693,480.47/43,405.29
  6. Step 6: Final answer
    x = 25,128.12

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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.