Home / 31,739.45-47,616.12-27,091.67

Finding the Fourth Proportional to 31,739.45, 47,616.12 and 27,091.67

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Solution

The fourth proportional to 31,739.45, 47,616.12 and 27,091.67 is: 40,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,739.45 : 47,616.12 = 27,091.67 : x
  2. Step 2: Convert to fraction form
    31,739.45/47,616.12 = 27,091.67/x
  3. Step 3: Cross multiply
    31,739.45x = 47,616.12 × 27,091.67
  4. Step 4: Simplify right side
    31,739.45x = 1,289,999,971.64
  5. Step 5: Solve for x
    x = 1,289,999,971.64/31,739.45
  6. Step 6: Final answer
    x = 40,643.43

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1.5x scale

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.