Home / 43,349.76-65,139.84-40,550.40

Finding the Fourth Proportional to 43,349.76, 65,139.84 and 40,550.40

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Solution

The fourth proportional to 43,349.76, 65,139.84 and 40,550.40 is: 60,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,349.76 : 65,139.84 = 40,550.40 : x
  2. Step 2: Convert to fraction form
    43,349.76/65,139.84 = 40,550.40/x
  3. Step 3: Cross multiply
    43,349.76x = 65,139.84 × 40,550.40
  4. Step 4: Simplify right side
    43,349.76x = 2,641,446,567.94
  5. Step 5: Solve for x
    x = 2,641,446,567.94/43,349.76
  6. Step 6: Final answer
    x = 60,933.36

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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.