Home / 39,104.64-58,661.06-12,811.43

Finding the Fourth Proportional to 39,104.64, 58,661.06 and 12,811.43

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Solution

The fourth proportional to 39,104.64, 58,661.06 and 12,811.43 is: 19,218.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,104.64 : 58,661.06 = 12,811.43 : x
  2. Step 2: Convert to fraction form
    39,104.64/58,661.06 = 12,811.43/x
  3. Step 3: Cross multiply
    39,104.64x = 58,661.06 × 12,811.43
  4. Step 4: Simplify right side
    39,104.64x = 751,532,218.58
  5. Step 5: Solve for x
    x = 751,532,218.58/39,104.64
  6. Step 6: Final answer
    x = 19,218.49

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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.