Home / 43,651.26-65,476.62-12,486.51

Finding the Fourth Proportional to 43,651.26, 65,476.62 and 12,486.51

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Solution

The fourth proportional to 43,651.26, 65,476.62 and 12,486.51 is: 18,729.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,651.26 : 65,476.62 = 12,486.51 : x
  2. Step 2: Convert to fraction form
    43,651.26/65,476.62 = 12,486.51/x
  3. Step 3: Cross multiply
    43,651.26x = 65,476.62 × 12,486.51
  4. Step 4: Simplify right side
    43,651.26x = 817,574,470.40
  5. Step 5: Solve for x
    x = 817,574,470.40/43,651.26
  6. Step 6: Final answer
    x = 18,729.69

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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.