Home / 31,971.50-44,126.37-20,045.06

Finding the Fourth Proportional to 31,971.50, 44,126.37 and 20,045.06

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Solution

The fourth proportional to 31,971.50, 44,126.37 and 20,045.06 is: 27,665.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,971.50 : 44,126.37 = 20,045.06 : x
  2. Step 2: Convert to fraction form
    31,971.50/44,126.37 = 20,045.06/x
  3. Step 3: Cross multiply
    31,971.50x = 44,126.37 × 20,045.06
  4. Step 4: Simplify right side
    31,971.50x = 884,515,734.23
  5. Step 5: Solve for x
    x = 884,515,734.23/31,971.50
  6. Step 6: Final answer
    x = 27,665.76

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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.