Home / 43,857.36-65,786.64-14,275.34

Finding the Fourth Proportional to 43,857.36, 65,786.64 and 14,275.34

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Solution

The fourth proportional to 43,857.36, 65,786.64 and 14,275.34 is: 21,413.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,857.36 : 65,786.64 = 14,275.34 : x
  2. Step 2: Convert to fraction form
    43,857.36/65,786.64 = 14,275.34/x
  3. Step 3: Cross multiply
    43,857.36x = 65,786.64 × 14,275.34
  4. Step 4: Simplify right side
    43,857.36x = 939,126,653.46
  5. Step 5: Solve for x
    x = 939,126,653.46/43,857.36
  6. Step 6: Final answer
    x = 21,413.21

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1.5x scale

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.