Home / 38,239,258.50-57,318,044.31-21,809,169.36

Finding the Fourth Proportional to 38,239,258.50, 57,318,044.31 and 21,809,169.36

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Solution

The fourth proportional to 38,239,258.50, 57,318,044.31 and 21,809,169.36 is: 32,690,459.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,239,258.50 : 57,318,044.31 = 21,809,169.36 : x
  2. Step 2: Convert to fraction form
    38,239,258.50/57,318,044.31 = 21,809,169.36/x
  3. Step 3: Cross multiply
    38,239,258.50x = 57,318,044.31 × 21,809,169.36
  4. Step 4: Simplify right side
    38,239,258.50x = 1,250,058,935,740,774.25
  5. Step 5: Solve for x
    x = 1,250,058,935,740,774.25/38,239,258.50
  6. Step 6: Final answer
    x = 32,690,459.62

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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.