Home / 40,930.92-61,396.38-14,643.18

Finding the Fourth Proportional to 40,930.92, 61,396.38 and 14,643.18

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Solution

The fourth proportional to 40,930.92, 61,396.38 and 14,643.18 is: 21,964.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,930.92 : 61,396.38 = 14,643.18 : x
  2. Step 2: Convert to fraction form
    40,930.92/61,396.38 = 14,643.18/x
  3. Step 3: Cross multiply
    40,930.92x = 61,396.38 × 14,643.18
  4. Step 4: Simplify right side
    40,930.92x = 899,038,243.69
  5. Step 5: Solve for x
    x = 899,038,243.69/40,930.92
  6. Step 6: Final answer
    x = 21,964.77

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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.