Home / 43,455.90-65,232.45-40,600.65

Finding the Fourth Proportional to 43,455.90, 65,232.45 and 40,600.65

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Solution

The fourth proportional to 43,455.90, 65,232.45 and 40,600.65 is: 60,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,455.90 : 65,232.45 = 40,600.65 : x
  2. Step 2: Convert to fraction form
    43,455.90/65,232.45 = 40,600.65/x
  3. Step 3: Cross multiply
    43,455.90x = 65,232.45 × 40,600.65
  4. Step 4: Simplify right side
    43,455.90x = 2,648,479,871.09
  5. Step 5: Solve for x
    x = 2,648,479,871.09/43,455.90
  6. Step 6: Final answer
    x = 60,946.38

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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.