Home / 43,816.20-65,666.70-38,862.60

Finding the Fourth Proportional to 43,816.20, 65,666.70 and 38,862.60

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Solution

The fourth proportional to 43,816.20, 65,666.70 and 38,862.60 is: 58,242.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,816.20 : 65,666.70 = 38,862.60 : x
  2. Step 2: Convert to fraction form
    43,816.20/65,666.70 = 38,862.60/x
  3. Step 3: Cross multiply
    43,816.20x = 65,666.70 × 38,862.60
  4. Step 4: Simplify right side
    43,816.20x = 2,551,978,695.42
  5. Step 5: Solve for x
    x = 2,551,978,695.42/43,816.20
  6. Step 6: Final answer
    x = 58,242.81

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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.