Home / 31,085.35-46,635.30-12,366.45

Finding the Fourth Proportional to 31,085.35, 46,635.30 and 12,366.45

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Solution

The fourth proportional to 31,085.35, 46,635.30 and 12,366.45 is: 18,552.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,085.35 : 46,635.30 = 12,366.45 : x
  2. Step 2: Convert to fraction form
    31,085.35/46,635.30 = 12,366.45/x
  3. Step 3: Cross multiply
    31,085.35x = 46,635.30 × 12,366.45
  4. Step 4: Simplify right side
    31,085.35x = 576,713,105.69
  5. Step 5: Solve for x
    x = 576,713,105.69/31,085.35
  6. Step 6: Final answer
    x = 18,552.57

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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.