Home / 32,639.76-45,010.08-21,887.82

Finding the Fourth Proportional to 32,639.76, 45,010.08 and 21,887.82

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Solution

The fourth proportional to 32,639.76, 45,010.08 and 21,887.82 is: 30,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,639.76 : 45,010.08 = 21,887.82 : x
  2. Step 2: Convert to fraction form
    32,639.76/45,010.08 = 21,887.82/x
  3. Step 3: Cross multiply
    32,639.76x = 45,010.08 × 21,887.82
  4. Step 4: Simplify right side
    32,639.76x = 985,172,529.23
  5. Step 5: Solve for x
    x = 985,172,529.23/32,639.76
  6. Step 6: Final answer
    x = 30,183.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.