Home / 31,261.36-46,882.32-10,480

Finding the Fourth Proportional to 31,261.36, 46,882.32 and 10,480

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Solution

The fourth proportional to 31,261.36, 46,882.32 and 10,480 is: 15,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,261.36 : 46,882.32 = 10,480 : x
  2. Step 2: Convert to fraction form
    31,261.36/46,882.32 = 10,480/x
  3. Step 3: Cross multiply
    31,261.36x = 46,882.32 × 10,480
  4. Step 4: Simplify right side
    31,261.36x = 491,326,713.60
  5. Step 5: Solve for x
    x = 491,326,713.60/31,261.36
  6. Step 6: Final answer
    x = 15,716.74

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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.