Home / 31,180.11-46,781.10-16,180.05

Finding the Fourth Proportional to 31,180.11, 46,781.10 and 16,180.05

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Solution

The fourth proportional to 31,180.11, 46,781.10 and 16,180.05 is: 24,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,180.11 : 46,781.10 = 16,180.05 : x
  2. Step 2: Convert to fraction form
    31,180.11/46,781.10 = 16,180.05/x
  3. Step 3: Cross multiply
    31,180.11x = 46,781.10 × 16,180.05
  4. Step 4: Simplify right side
    31,180.11x = 756,920,537.06
  5. Step 5: Solve for x
    x = 756,920,537.06/31,180.11
  6. Step 6: Final answer
    x = 24,275.75

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1.5x scale

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.