Home / 53,241.98-79,870.17-18,172.22

Finding the Fourth Proportional to 53,241.98, 79,870.17 and 18,172.22

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Solution

The fourth proportional to 53,241.98, 79,870.17 and 18,172.22 is: 27,260.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,241.98 : 79,870.17 = 18,172.22 : x
  2. Step 2: Convert to fraction form
    53,241.98/79,870.17 = 18,172.22/x
  3. Step 3: Cross multiply
    53,241.98x = 79,870.17 × 18,172.22
  4. Step 4: Simplify right side
    53,241.98x = 1,451,418,300.68
  5. Step 5: Solve for x
    x = 1,451,418,300.68/53,241.98
  6. Step 6: Final answer
    x = 27,260.79

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1.5x scale

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.