Home / 31,637.88-47,456.82-8,264.28

Finding the Fourth Proportional to 31,637.88, 47,456.82 and 8,264.28

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Solution

The fourth proportional to 31,637.88, 47,456.82 and 8,264.28 is: 12,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.88 : 47,456.82 = 8,264.28 : x
  2. Step 2: Convert to fraction form
    31,637.88/47,456.82 = 8,264.28/x
  3. Step 3: Cross multiply
    31,637.88x = 47,456.82 × 8,264.28
  4. Step 4: Simplify right side
    31,637.88x = 392,196,448.39
  5. Step 5: Solve for x
    x = 392,196,448.39/31,637.88
  6. Step 6: Final answer
    x = 12,396.42

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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.