Home / 31,052.72-46,586-11,331.28

Finding the Fourth Proportional to 31,052.72, 46,586 and 11,331.28

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Solution

The fourth proportional to 31,052.72, 46,586 and 11,331.28 is: 16,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,052.72 : 46,586 = 11,331.28 : x
  2. Step 2: Convert to fraction form
    31,052.72/46,586 = 11,331.28/x
  3. Step 3: Cross multiply
    31,052.72x = 46,586 × 11,331.28
  4. Step 4: Simplify right side
    31,052.72x = 527,879,010.08
  5. Step 5: Solve for x
    x = 527,879,010.08/31,052.72
  6. Step 6: Final answer
    x = 16,999.45

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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.