Home / 64,787.75-97,146.99-20,402.58

Finding the Fourth Proportional to 64,787.75, 97,146.99 and 20,402.58

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Solution

The fourth proportional to 64,787.75, 97,146.99 and 20,402.58 is: 30,592.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,787.75 : 97,146.99 = 20,402.58 : x
  2. Step 2: Convert to fraction form
    64,787.75/97,146.99 = 20,402.58/x
  3. Step 3: Cross multiply
    64,787.75x = 97,146.99 × 20,402.58
  4. Step 4: Simplify right side
    64,787.75x = 1,982,049,235.23
  5. Step 5: Solve for x
    x = 1,982,049,235.23/64,787.75
  6. Step 6: Final answer
    x = 30,592.97

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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.