Home / 43,908.68-65,865.18-12,746.36

Finding the Fourth Proportional to 43,908.68, 65,865.18 and 12,746.36

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Solution

The fourth proportional to 43,908.68, 65,865.18 and 12,746.36 is: 19,120.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,908.68 : 65,865.18 = 12,746.36 : x
  2. Step 2: Convert to fraction form
    43,908.68/65,865.18 = 12,746.36/x
  3. Step 3: Cross multiply
    43,908.68x = 65,865.18 × 12,746.36
  4. Step 4: Simplify right side
    43,908.68x = 839,541,295.74
  5. Step 5: Solve for x
    x = 839,541,295.74/43,908.68
  6. Step 6: Final answer
    x = 19,120.17

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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.