Home / 43,316.29-64,976.73-13,731.85

Finding the Fourth Proportional to 43,316.29, 64,976.73 and 13,731.85

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Solution

The fourth proportional to 43,316.29, 64,976.73 and 13,731.85 is: 20,598.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,316.29 : 64,976.73 = 13,731.85 : x
  2. Step 2: Convert to fraction form
    43,316.29/64,976.73 = 13,731.85/x
  3. Step 3: Cross multiply
    43,316.29x = 64,976.73 × 13,731.85
  4. Step 4: Simplify right side
    43,316.29x = 892,250,709.85
  5. Step 5: Solve for x
    x = 892,250,709.85/43,316.29
  6. Step 6: Final answer
    x = 20,598.50

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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.