Home / 31,161.42-46,714.29-11,435.40

Finding the Fourth Proportional to 31,161.42, 46,714.29 and 11,435.40

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Solution

The fourth proportional to 31,161.42, 46,714.29 and 11,435.40 is: 17,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.42 : 46,714.29 = 11,435.40 : x
  2. Step 2: Convert to fraction form
    31,161.42/46,714.29 = 11,435.40/x
  3. Step 3: Cross multiply
    31,161.42x = 46,714.29 × 11,435.40
  4. Step 4: Simplify right side
    31,161.42x = 534,196,591.87
  5. Step 5: Solve for x
    x = 534,196,591.87/31,161.42
  6. Step 6: Final answer
    x = 17,142.88

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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.