Home / 31,176.43-46,783.28-11,456.98

Finding the Fourth Proportional to 31,176.43, 46,783.28 and 11,456.98

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Solution

The fourth proportional to 31,176.43, 46,783.28 and 11,456.98 is: 17,192.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,176.43 : 46,783.28 = 11,456.98 : x
  2. Step 2: Convert to fraction form
    31,176.43/46,783.28 = 11,456.98/x
  3. Step 3: Cross multiply
    31,176.43x = 46,783.28 × 11,456.98
  4. Step 4: Simplify right side
    31,176.43x = 535,995,103.29
  5. Step 5: Solve for x
    x = 535,995,103.29/31,176.43
  6. Step 6: Final answer
    x = 17,192.32

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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.