Home / 31,050.12-42,853.38-17,626.80

Finding the Fourth Proportional to 31,050.12, 42,853.38 and 17,626.80

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Solution

The fourth proportional to 31,050.12, 42,853.38 and 17,626.80 is: 24,327.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,050.12 : 42,853.38 = 17,626.80 : x
  2. Step 2: Convert to fraction form
    31,050.12/42,853.38 = 17,626.80/x
  3. Step 3: Cross multiply
    31,050.12x = 42,853.38 × 17,626.80
  4. Step 4: Simplify right side
    31,050.12x = 755,367,958.58
  5. Step 5: Solve for x
    x = 755,367,958.58/31,050.12
  6. Step 6: Final answer
    x = 24,327.38

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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.