Home / 45,954.72-68,933.88-20,996.19

Finding the Fourth Proportional to 45,954.72, 68,933.88 and 20,996.19

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Solution

The fourth proportional to 45,954.72, 68,933.88 and 20,996.19 is: 31,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,954.72 : 68,933.88 = 20,996.19 : x
  2. Step 2: Convert to fraction form
    45,954.72/68,933.88 = 20,996.19/x
  3. Step 3: Cross multiply
    45,954.72x = 68,933.88 × 20,996.19
  4. Step 4: Simplify right side
    45,954.72x = 1,447,348,841.92
  5. Step 5: Solve for x
    x = 1,447,348,841.92/45,954.72
  6. Step 6: Final answer
    x = 31,495.11

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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.