Home / 31,188.66-43,040.32-16,848.49

Finding the Fourth Proportional to 31,188.66, 43,040.32 and 16,848.49

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Solution

The fourth proportional to 31,188.66, 43,040.32 and 16,848.49 is: 23,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,188.66 : 43,040.32 = 16,848.49 : x
  2. Step 2: Convert to fraction form
    31,188.66/43,040.32 = 16,848.49/x
  3. Step 3: Cross multiply
    31,188.66x = 43,040.32 × 16,848.49
  4. Step 4: Simplify right side
    31,188.66x = 725,164,401.12
  5. Step 5: Solve for x
    x = 725,164,401.12/31,188.66
  6. Step 6: Final answer
    x = 23,250.90

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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.