Home / 30,742.36-46,118.39-10,757.43

Finding the Fourth Proportional to 30,742.36, 46,118.39 and 10,757.43

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Solution

The fourth proportional to 30,742.36, 46,118.39 and 10,757.43 is: 16,137.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,742.36 : 46,118.39 = 10,757.43 : x
  2. Step 2: Convert to fraction form
    30,742.36/46,118.39 = 10,757.43/x
  3. Step 3: Cross multiply
    30,742.36x = 46,118.39 × 10,757.43
  4. Step 4: Simplify right side
    30,742.36x = 496,115,298.35
  5. Step 5: Solve for x
    x = 496,115,298.35/30,742.36
  6. Step 6: Final answer
    x = 16,137.84

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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.