Home / 43,585.75-65,384.77-13,993.66

Finding the Fourth Proportional to 43,585.75, 65,384.77 and 13,993.66

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Solution

The fourth proportional to 43,585.75, 65,384.77 and 13,993.66 is: 20,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,585.75 : 65,384.77 = 13,993.66 : x
  2. Step 2: Convert to fraction form
    43,585.75/65,384.77 = 13,993.66/x
  3. Step 3: Cross multiply
    43,585.75x = 65,384.77 × 13,993.66
  4. Step 4: Simplify right side
    43,585.75x = 914,972,313.54
  5. Step 5: Solve for x
    x = 914,972,313.54/43,585.75
  6. Step 6: Final answer
    x = 20,992.47

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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.