Home / 43,128.87-64,699.38-15,044.83

Finding the Fourth Proportional to 43,128.87, 64,699.38 and 15,044.83

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Solution

The fourth proportional to 43,128.87, 64,699.38 and 15,044.83 is: 22,569.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,128.87 : 64,699.38 = 15,044.83 : x
  2. Step 2: Convert to fraction form
    43,128.87/64,699.38 = 15,044.83/x
  3. Step 3: Cross multiply
    43,128.87x = 64,699.38 × 15,044.83
  4. Step 4: Simplify right side
    43,128.87x = 973,391,173.21
  5. Step 5: Solve for x
    x = 973,391,173.21/43,128.87
  6. Step 6: Final answer
    x = 22,569.36

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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.