Home / 47,420.28-71,216.48-41,129.89

Finding the Fourth Proportional to 47,420.28, 71,216.48 and 41,129.89

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Solution

The fourth proportional to 47,420.28, 71,216.48 and 41,129.89 is: 61,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,420.28 : 71,216.48 = 41,129.89 : x
  2. Step 2: Convert to fraction form
    47,420.28/71,216.48 = 41,129.89/x
  3. Step 3: Cross multiply
    47,420.28x = 71,216.48 × 41,129.89
  4. Step 4: Simplify right side
    47,420.28x = 2,929,125,913.37
  5. Step 5: Solve for x
    x = 2,929,125,913.37/47,420.28
  6. Step 6: Final answer
    x = 61,769.48

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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.