Home / 43,613.20-65,419.80-36,701.20

Finding the Fourth Proportional to 43,613.20, 65,419.80 and 36,701.20

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Solution

The fourth proportional to 43,613.20, 65,419.80 and 36,701.20 is: 55,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,613.20 : 65,419.80 = 36,701.20 : x
  2. Step 2: Convert to fraction form
    43,613.20/65,419.80 = 36,701.20/x
  3. Step 3: Cross multiply
    43,613.20x = 65,419.80 × 36,701.20
  4. Step 4: Simplify right side
    43,613.20x = 2,400,985,163.76
  5. Step 5: Solve for x
    x = 2,400,985,163.76/43,613.20
  6. Step 6: Final answer
    x = 55,051.80

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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.