Home / 30,786.66-46,129.37-13,002.71

Finding the Fourth Proportional to 30,786.66, 46,129.37 and 13,002.71

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Solution

The fourth proportional to 30,786.66, 46,129.37 and 13,002.71 is: 19,482.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,786.66 : 46,129.37 = 13,002.71 : x
  2. Step 2: Convert to fraction form
    30,786.66/46,129.37 = 13,002.71/x
  3. Step 3: Cross multiply
    30,786.66x = 46,129.37 × 13,002.71
  4. Step 4: Simplify right side
    30,786.66x = 599,806,524.93
  5. Step 5: Solve for x
    x = 599,806,524.93/30,786.66
  6. Step 6: Final answer
    x = 19,482.68

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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.