Home / 31,971.06-44,124.34-18,364.46

Finding the Fourth Proportional to 31,971.06, 44,124.34 and 18,364.46

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Solution

The fourth proportional to 31,971.06, 44,124.34 and 18,364.46 is: 25,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,971.06 : 44,124.34 = 18,364.46 : x
  2. Step 2: Convert to fraction form
    31,971.06/44,124.34 = 18,364.46/x
  3. Step 3: Cross multiply
    31,971.06x = 44,124.34 × 18,364.46
  4. Step 4: Simplify right side
    31,971.06x = 810,319,676.96
  5. Step 5: Solve for x
    x = 810,319,676.96/31,971.06
  6. Step 6: Final answer
    x = 25,345.41

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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.