Home / 40,817.30-61,221.33-14,158.37

Finding the Fourth Proportional to 40,817.30, 61,221.33 and 14,158.37

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Solution

The fourth proportional to 40,817.30, 61,221.33 and 14,158.37 is: 21,235.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,817.30 : 61,221.33 = 14,158.37 : x
  2. Step 2: Convert to fraction form
    40,817.30/61,221.33 = 14,158.37/x
  3. Step 3: Cross multiply
    40,817.30x = 61,221.33 × 14,158.37
  4. Step 4: Simplify right side
    40,817.30x = 866,794,242.81
  5. Step 5: Solve for x
    x = 866,794,242.81/40,817.30
  6. Step 6: Final answer
    x = 21,235.95

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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.