Home / 43,943.61-65,860.59-21,435.74

Finding the Fourth Proportional to 43,943.61, 65,860.59 and 21,435.74

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Solution

The fourth proportional to 43,943.61, 65,860.59 and 21,435.74 is: 32,126.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,943.61 : 65,860.59 = 21,435.74 : x
  2. Step 2: Convert to fraction form
    43,943.61/65,860.59 = 21,435.74/x
  3. Step 3: Cross multiply
    43,943.61x = 65,860.59 × 21,435.74
  4. Step 4: Simplify right side
    43,943.61x = 1,411,770,481.54
  5. Step 5: Solve for x
    x = 1,411,770,481.54/43,943.61
  6. Step 6: Final answer
    x = 32,126.86

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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.