Home / 43,495.70-65,251.92-18,535.28

Finding the Fourth Proportional to 43,495.70, 65,251.92 and 18,535.28

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Solution

The fourth proportional to 43,495.70, 65,251.92 and 18,535.28 is: 27,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,495.70 : 65,251.92 = 18,535.28 : x
  2. Step 2: Convert to fraction form
    43,495.70/65,251.92 = 18,535.28/x
  3. Step 3: Cross multiply
    43,495.70x = 65,251.92 × 18,535.28
  4. Step 4: Simplify right side
    43,495.70x = 1,209,462,607.74
  5. Step 5: Solve for x
    x = 1,209,462,607.74/43,495.70
  6. Step 6: Final answer
    x = 27,806.49

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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.