Home / 33,118.23-45,701.78-18,972.39

Finding the Fourth Proportional to 33,118.23, 45,701.78 and 18,972.39

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Solution

The fourth proportional to 33,118.23, 45,701.78 and 18,972.39 is: 26,181.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,118.23 : 45,701.78 = 18,972.39 : x
  2. Step 2: Convert to fraction form
    33,118.23/45,701.78 = 18,972.39/x
  3. Step 3: Cross multiply
    33,118.23x = 45,701.78 × 18,972.39
  4. Step 4: Simplify right side
    33,118.23x = 867,071,898.99
  5. Step 5: Solve for x
    x = 867,071,898.99/33,118.23
  6. Step 6: Final answer
    x = 26,181.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.