Home / 35,855.06-49,479.30-19,939.14

Finding the Fourth Proportional to 35,855.06, 49,479.30 and 19,939.14

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Solution

The fourth proportional to 35,855.06, 49,479.30 and 19,939.14 is: 27,515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,855.06 : 49,479.30 = 19,939.14 : x
  2. Step 2: Convert to fraction form
    35,855.06/49,479.30 = 19,939.14/x
  3. Step 3: Cross multiply
    35,855.06x = 49,479.30 × 19,939.14
  4. Step 4: Simplify right side
    35,855.06x = 986,574,689.80
  5. Step 5: Solve for x
    x = 986,574,689.80/35,855.06
  6. Step 6: Final answer
    x = 27,515.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.