Home / 47,402.20-71,090.34-17,817.76

Finding the Fourth Proportional to 47,402.20, 71,090.34 and 17,817.76

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Solution

The fourth proportional to 47,402.20, 71,090.34 and 17,817.76 is: 26,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,402.20 : 71,090.34 = 17,817.76 : x
  2. Step 2: Convert to fraction form
    47,402.20/71,090.34 = 17,817.76/x
  3. Step 3: Cross multiply
    47,402.20x = 71,090.34 × 17,817.76
  4. Step 4: Simplify right side
    47,402.20x = 1,266,670,616.44
  5. Step 5: Solve for x
    x = 1,266,670,616.44/47,402.20
  6. Step 6: Final answer
    x = 26,721.77

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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.