Home / 43,488.44-65,211.56-21,275.80

Finding the Fourth Proportional to 43,488.44, 65,211.56 and 21,275.80

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Solution

The fourth proportional to 43,488.44, 65,211.56 and 21,275.80 is: 31,903.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,488.44 : 65,211.56 = 21,275.80 : x
  2. Step 2: Convert to fraction form
    43,488.44/65,211.56 = 21,275.80/x
  3. Step 3: Cross multiply
    43,488.44x = 65,211.56 × 21,275.80
  4. Step 4: Simplify right side
    43,488.44x = 1,387,428,108.25
  5. Step 5: Solve for x
    x = 1,387,428,108.25/43,488.44
  6. Step 6: Final answer
    x = 31,903.38

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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.