Home / 31,818.04-43,907.42-17,671.79

Finding the Fourth Proportional to 31,818.04, 43,907.42 and 17,671.79

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Solution

The fourth proportional to 31,818.04, 43,907.42 and 17,671.79 is: 24,386.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,818.04 : 43,907.42 = 17,671.79 : x
  2. Step 2: Convert to fraction form
    31,818.04/43,907.42 = 17,671.79/x
  3. Step 3: Cross multiply
    31,818.04x = 43,907.42 × 17,671.79
  4. Step 4: Simplify right side
    31,818.04x = 775,922,859.63
  5. Step 5: Solve for x
    x = 775,922,859.63/31,818.04
  6. Step 6: Final answer
    x = 24,386.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.