Home / 53,770.30-80,651.39-21,751.40

Finding the Fourth Proportional to 53,770.30, 80,651.39 and 21,751.40

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Solution

The fourth proportional to 53,770.30, 80,651.39 and 21,751.40 is: 32,625.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,770.30 : 80,651.39 = 21,751.40 : x
  2. Step 2: Convert to fraction form
    53,770.30/80,651.39 = 21,751.40/x
  3. Step 3: Cross multiply
    53,770.30x = 80,651.39 × 21,751.40
  4. Step 4: Simplify right side
    53,770.30x = 1,754,280,900.45
  5. Step 5: Solve for x
    x = 1,754,280,900.45/53,770.30
  6. Step 6: Final answer
    x = 32,625.46

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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.