Home / 34,999.24-52,495.60-12,811.72

Finding the Fourth Proportional to 34,999.24, 52,495.60 and 12,811.72

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Solution

The fourth proportional to 34,999.24, 52,495.60 and 12,811.72 is: 19,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,999.24 : 52,495.60 = 12,811.72 : x
  2. Step 2: Convert to fraction form
    34,999.24/52,495.60 = 12,811.72/x
  3. Step 3: Cross multiply
    34,999.24x = 52,495.60 × 12,811.72
  4. Step 4: Simplify right side
    34,999.24x = 672,558,928.43
  5. Step 5: Solve for x
    x = 672,558,928.43/34,999.24
  6. Step 6: Final answer
    x = 19,216.39

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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.