Home / 31,115.68-46,696.80-17,950.48

Finding the Fourth Proportional to 31,115.68, 46,696.80 and 17,950.48

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Solution

The fourth proportional to 31,115.68, 46,696.80 and 17,950.48 is: 26,939.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,115.68 : 46,696.80 = 17,950.48 : x
  2. Step 2: Convert to fraction form
    31,115.68/46,696.80 = 17,950.48/x
  3. Step 3: Cross multiply
    31,115.68x = 46,696.80 × 17,950.48
  4. Step 4: Simplify right side
    31,115.68x = 838,229,974.46
  5. Step 5: Solve for x
    x = 838,229,974.46/31,115.68
  6. Step 6: Final answer
    x = 26,939.15

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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.