Home / 31,257.36-46,876.32-10,476

Finding the Fourth Proportional to 31,257.36, 46,876.32 and 10,476

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Solution

The fourth proportional to 31,257.36, 46,876.32 and 10,476 is: 15,710.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,257.36 : 46,876.32 = 10,476 : x
  2. Step 2: Convert to fraction form
    31,257.36/46,876.32 = 10,476/x
  3. Step 3: Cross multiply
    31,257.36x = 46,876.32 × 10,476
  4. Step 4: Simplify right side
    31,257.36x = 491,076,328.32
  5. Step 5: Solve for x
    x = 491,076,328.32/31,257.36
  6. Step 6: Final answer
    x = 15,710.74

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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.