Home / 43,351.43-65,026.23-19,977.86

Finding the Fourth Proportional to 43,351.43, 65,026.23 and 19,977.86

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Solution

The fourth proportional to 43,351.43, 65,026.23 and 19,977.86 is: 29,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,351.43 : 65,026.23 = 19,977.86 : x
  2. Step 2: Convert to fraction form
    43,351.43/65,026.23 = 19,977.86/x
  3. Step 3: Cross multiply
    43,351.43x = 65,026.23 × 19,977.86
  4. Step 4: Simplify right side
    43,351.43x = 1,299,085,006.92
  5. Step 5: Solve for x
    x = 1,299,085,006.92/43,351.43
  6. Step 6: Final answer
    x = 29,966.37

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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.