Home / 74,350.43-111,529.97-21,037.94

Finding the Fourth Proportional to 74,350.43, 111,529.97 and 21,037.94

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Solution

The fourth proportional to 74,350.43, 111,529.97 and 21,037.94 is: 31,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,350.43 : 111,529.97 = 21,037.94 : x
  2. Step 2: Convert to fraction form
    74,350.43/111,529.97 = 21,037.94/x
  3. Step 3: Cross multiply
    74,350.43x = 111,529.97 × 21,037.94
  4. Step 4: Simplify right side
    74,350.43x = 2,346,360,817.06
  5. Step 5: Solve for x
    x = 2,346,360,817.06/74,350.43
  6. Step 6: Final answer
    x = 31,558.13

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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.