Home / 31,930.08-47,917.04-11,153.60

Finding the Fourth Proportional to 31,930.08, 47,917.04 and 11,153.60

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Solution

The fourth proportional to 31,930.08, 47,917.04 and 11,153.60 is: 16,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,930.08 : 47,917.04 = 11,153.60 : x
  2. Step 2: Convert to fraction form
    31,930.08/47,917.04 = 11,153.60/x
  3. Step 3: Cross multiply
    31,930.08x = 47,917.04 × 11,153.60
  4. Step 4: Simplify right side
    31,930.08x = 534,447,497.34
  5. Step 5: Solve for x
    x = 534,447,497.34/31,930.08
  6. Step 6: Final answer
    x = 16,738.06

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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.