Home / 45,554.88-68,342.22-13,965.06

Finding the Fourth Proportional to 45,554.88, 68,342.22 and 13,965.06

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Solution

The fourth proportional to 45,554.88, 68,342.22 and 13,965.06 is: 20,950.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,554.88 : 68,342.22 = 13,965.06 : x
  2. Step 2: Convert to fraction form
    45,554.88/68,342.22 = 13,965.06/x
  3. Step 3: Cross multiply
    45,554.88x = 68,342.22 × 13,965.06
  4. Step 4: Simplify right side
    45,554.88x = 954,403,202.83
  5. Step 5: Solve for x
    x = 954,403,202.83/45,554.88
  6. Step 6: Final answer
    x = 20,950.62

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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.