Home / 42,942.24-64,405.92-11,352.64

Finding the Fourth Proportional to 42,942.24, 64,405.92 and 11,352.64

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Solution

The fourth proportional to 42,942.24, 64,405.92 and 11,352.64 is: 17,026.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,942.24 : 64,405.92 = 11,352.64 : x
  2. Step 2: Convert to fraction form
    42,942.24/64,405.92 = 11,352.64/x
  3. Step 3: Cross multiply
    42,942.24x = 64,405.92 × 11,352.64
  4. Step 4: Simplify right side
    42,942.24x = 731,177,223.63
  5. Step 5: Solve for x
    x = 731,177,223.63/42,942.24
  6. Step 6: Final answer
    x = 17,026.99

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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.