Home / 31,126.35-46,689.57-8,934.57

Finding the Fourth Proportional to 31,126.35, 46,689.57 and 8,934.57

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Solution

The fourth proportional to 31,126.35, 46,689.57 and 8,934.57 is: 13,401.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,126.35 : 46,689.57 = 8,934.57 : x
  2. Step 2: Convert to fraction form
    31,126.35/46,689.57 = 8,934.57/x
  3. Step 3: Cross multiply
    31,126.35x = 46,689.57 × 8,934.57
  4. Step 4: Simplify right side
    31,126.35x = 417,151,231.43
  5. Step 5: Solve for x
    x = 417,151,231.43/31,126.35
  6. Step 6: Final answer
    x = 13,401.87

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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.