Home / 31,012.20-46,504.80-14,366.70

Finding the Fourth Proportional to 31,012.20, 46,504.80 and 14,366.70

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Solution

The fourth proportional to 31,012.20, 46,504.80 and 14,366.70 is: 21,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,012.20 : 46,504.80 = 14,366.70 : x
  2. Step 2: Convert to fraction form
    31,012.20/46,504.80 = 14,366.70/x
  3. Step 3: Cross multiply
    31,012.20x = 46,504.80 × 14,366.70
  4. Step 4: Simplify right side
    31,012.20x = 668,120,510.16
  5. Step 5: Solve for x
    x = 668,120,510.16/31,012.20
  6. Step 6: Final answer
    x = 21,543.80

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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.