Home / 43,722.80-65,485.52-30,633.60

Finding the Fourth Proportional to 43,722.80, 65,485.52 and 30,633.60

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Solution

The fourth proportional to 43,722.80, 65,485.52 and 30,633.60 is: 45,881.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,722.80 : 65,485.52 = 30,633.60 : x
  2. Step 2: Convert to fraction form
    43,722.80/65,485.52 = 30,633.60/x
  3. Step 3: Cross multiply
    43,722.80x = 65,485.52 × 30,633.60
  4. Step 4: Simplify right side
    43,722.80x = 2,006,057,225.47
  5. Step 5: Solve for x
    x = 2,006,057,225.47/43,722.80
  6. Step 6: Final answer
    x = 45,881.26

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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.