Home / 31,282.08-46,893.96-10,491

Finding the Fourth Proportional to 31,282.08, 46,893.96 and 10,491

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Solution

The fourth proportional to 31,282.08, 46,893.96 and 10,491 is: 15,726.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.08 : 46,893.96 = 10,491 : x
  2. Step 2: Convert to fraction form
    31,282.08/46,893.96 = 10,491/x
  3. Step 3: Cross multiply
    31,282.08x = 46,893.96 × 10,491
  4. Step 4: Simplify right side
    31,282.08x = 491,964,534.36
  5. Step 5: Solve for x
    x = 491,964,534.36/31,282.08
  6. Step 6: Final answer
    x = 15,726.72

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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.