Home / 31,012.68-46,504.56-14,380.56

Finding the Fourth Proportional to 31,012.68, 46,504.56 and 14,380.56

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Solution

The fourth proportional to 31,012.68, 46,504.56 and 14,380.56 is: 21,564.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,012.68 : 46,504.56 = 14,380.56 : x
  2. Step 2: Convert to fraction form
    31,012.68/46,504.56 = 14,380.56/x
  3. Step 3: Cross multiply
    31,012.68x = 46,504.56 × 14,380.56
  4. Step 4: Simplify right side
    31,012.68x = 668,761,615.35
  5. Step 5: Solve for x
    x = 668,761,615.35/31,012.68
  6. Step 6: Final answer
    x = 21,564.13

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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.