Home / 31,835.06-47,736.11-14,289.78

Finding the Fourth Proportional to 31,835.06, 47,736.11 and 14,289.78

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Solution

The fourth proportional to 31,835.06, 47,736.11 and 14,289.78 is: 21,427.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,835.06 : 47,736.11 = 14,289.78 : x
  2. Step 2: Convert to fraction form
    31,835.06/47,736.11 = 14,289.78/x
  3. Step 3: Cross multiply
    31,835.06x = 47,736.11 × 14,289.78
  4. Step 4: Simplify right side
    31,835.06x = 682,138,509.96
  5. Step 5: Solve for x
    x = 682,138,509.96/31,835.06
  6. Step 6: Final answer
    x = 21,427.27

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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.