Home / 31,971.03-44,147.88-20,054.85

Finding the Fourth Proportional to 31,971.03, 44,147.88 and 20,054.85

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Solution

The fourth proportional to 31,971.03, 44,147.88 and 20,054.85 is: 27,693.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,971.03 : 44,147.88 = 20,054.85 : x
  2. Step 2: Convert to fraction form
    31,971.03/44,147.88 = 20,054.85/x
  3. Step 3: Cross multiply
    31,971.03x = 44,147.88 × 20,054.85
  4. Step 4: Simplify right side
    31,971.03x = 885,379,111.22
  5. Step 5: Solve for x
    x = 885,379,111.22/31,971.03
  6. Step 6: Final answer
    x = 27,693.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.