Home / 47,424.30-71,140.05-14,141.76

Finding the Fourth Proportional to 47,424.30, 71,140.05 and 14,141.76

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Solution

The fourth proportional to 47,424.30, 71,140.05 and 14,141.76 is: 21,213.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,424.30 : 71,140.05 = 14,141.76 : x
  2. Step 2: Convert to fraction form
    47,424.30/71,140.05 = 14,141.76/x
  3. Step 3: Cross multiply
    47,424.30x = 71,140.05 × 14,141.76
  4. Step 4: Simplify right side
    47,424.30x = 1,006,045,513.49
  5. Step 5: Solve for x
    x = 1,006,045,513.49/47,424.30
  6. Step 6: Final answer
    x = 21,213.71

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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.