Home / 43,975.77-65,965.50-12,811.02

Finding the Fourth Proportional to 43,975.77, 65,965.50 and 12,811.02

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Solution

The fourth proportional to 43,975.77, 65,965.50 and 12,811.02 is: 19,217.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,975.77 : 65,965.50 = 12,811.02 : x
  2. Step 2: Convert to fraction form
    43,975.77/65,965.50 = 12,811.02/x
  3. Step 3: Cross multiply
    43,975.77x = 65,965.50 × 12,811.02
  4. Step 4: Simplify right side
    43,975.77x = 845,085,339.81
  5. Step 5: Solve for x
    x = 845,085,339.81/43,975.77
  6. Step 6: Final answer
    x = 19,217.07

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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.