Home / 36,330.40-54,495.60-31,722.40

Finding the Fourth Proportional to 36,330.40, 54,495.60 and 31,722.40

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Solution

The fourth proportional to 36,330.40, 54,495.60 and 31,722.40 is: 47,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,330.40 : 54,495.60 = 31,722.40 : x
  2. Step 2: Convert to fraction form
    36,330.40/54,495.60 = 31,722.40/x
  3. Step 3: Cross multiply
    36,330.40x = 54,495.60 × 31,722.40
  4. Step 4: Simplify right side
    36,330.40x = 1,728,731,221.44
  5. Step 5: Solve for x
    x = 1,728,731,221.44/36,330.40
  6. Step 6: Final answer
    x = 47,583.60

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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.