Home / 31,274.82-46,888.80-11,549.70

Finding the Fourth Proportional to 31,274.82, 46,888.80 and 11,549.70

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Solution

The fourth proportional to 31,274.82, 46,888.80 and 11,549.70 is: 17,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,274.82 : 46,888.80 = 11,549.70 : x
  2. Step 2: Convert to fraction form
    31,274.82/46,888.80 = 11,549.70/x
  3. Step 3: Cross multiply
    31,274.82x = 46,888.80 × 11,549.70
  4. Step 4: Simplify right side
    31,274.82x = 541,551,573.36
  5. Step 5: Solve for x
    x = 541,551,573.36/31,274.82
  6. Step 6: Final answer
    x = 17,315.90

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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.