Home / 43,405.27-65,110.13-12,242.95

Finding the Fourth Proportional to 43,405.27, 65,110.13 and 12,242.95

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Solution

The fourth proportional to 43,405.27, 65,110.13 and 12,242.95 is: 18,365.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,405.27 : 65,110.13 = 12,242.95 : x
  2. Step 2: Convert to fraction form
    43,405.27/65,110.13 = 12,242.95/x
  3. Step 3: Cross multiply
    43,405.27x = 65,110.13 × 12,242.95
  4. Step 4: Simplify right side
    43,405.27x = 797,140,066.08
  5. Step 5: Solve for x
    x = 797,140,066.08/43,405.27
  6. Step 6: Final answer
    x = 18,365.05

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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.