Home / 43,456.59-65,185.49-12,291.84

Finding the Fourth Proportional to 43,456.59, 65,185.49 and 12,291.84

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Solution

The fourth proportional to 43,456.59, 65,185.49 and 12,291.84 is: 18,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,456.59 : 65,185.49 = 12,291.84 : x
  2. Step 2: Convert to fraction form
    43,456.59/65,185.49 = 12,291.84/x
  3. Step 3: Cross multiply
    43,456.59x = 65,185.49 × 12,291.84
  4. Step 4: Simplify right side
    43,456.59x = 801,249,551.94
  5. Step 5: Solve for x
    x = 801,249,551.94/43,456.59
  6. Step 6: Final answer
    x = 18,437.93

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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.