Home / 43,934.54-65,903.63-12,769.79

Finding the Fourth Proportional to 43,934.54, 65,903.63 and 12,769.79

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Solution

The fourth proportional to 43,934.54, 65,903.63 and 12,769.79 is: 19,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,934.54 : 65,903.63 = 12,769.79 : x
  2. Step 2: Convert to fraction form
    43,934.54/65,903.63 = 12,769.79/x
  3. Step 3: Cross multiply
    43,934.54x = 65,903.63 × 12,769.79
  4. Step 4: Simplify right side
    43,934.54x = 841,575,121.97
  5. Step 5: Solve for x
    x = 841,575,121.97/43,934.54
  6. Step 6: Final answer
    x = 19,155.21

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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.