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Finding the Fourth Proportional to 33,270.60, 45,918.03 and 19,123.14

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Solution

The fourth proportional to 33,270.60, 45,918.03 and 19,123.14 is: 26,392.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,270.60 : 45,918.03 = 19,123.14 : x
  2. Step 2: Convert to fraction form
    33,270.60/45,918.03 = 19,123.14/x
  3. Step 3: Cross multiply
    33,270.60x = 45,918.03 × 19,123.14
  4. Step 4: Simplify right side
    33,270.60x = 878,096,916.21
  5. Step 5: Solve for x
    x = 878,096,916.21/33,270.60
  6. Step 6: Final answer
    x = 26,392.58

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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.