Home / 33,123.41-45,711.90-18,976.28

Finding the Fourth Proportional to 33,123.41, 45,711.90 and 18,976.28

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Solution

The fourth proportional to 33,123.41, 45,711.90 and 18,976.28 is: 26,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,123.41 : 45,711.90 = 18,976.28 : x
  2. Step 2: Convert to fraction form
    33,123.41/45,711.90 = 18,976.28/x
  3. Step 3: Cross multiply
    33,123.41x = 45,711.90 × 18,976.28
  4. Step 4: Simplify right side
    33,123.41x = 867,441,928.01
  5. Step 5: Solve for x
    x = 867,441,928.01/33,123.41
  6. Step 6: Final answer
    x = 26,188.19

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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.