Home / 42,795.44-64,193.20-11,635.28

Finding the Fourth Proportional to 42,795.44, 64,193.20 and 11,635.28

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Solution

The fourth proportional to 42,795.44, 64,193.20 and 11,635.28 is: 17,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,795.44 : 64,193.20 = 11,635.28 : x
  2. Step 2: Convert to fraction form
    42,795.44/64,193.20 = 11,635.28/x
  3. Step 3: Cross multiply
    42,795.44x = 64,193.20 × 11,635.28
  4. Step 4: Simplify right side
    42,795.44x = 746,905,856.10
  5. Step 5: Solve for x
    x = 746,905,856.10/42,795.44
  6. Step 6: Final answer
    x = 17,452.93

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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.