Home / 47,779.10-71,570.10-27,997.70

Finding the Fourth Proportional to 47,779.10, 71,570.10 and 27,997.70

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Solution

The fourth proportional to 47,779.10, 71,570.10 and 27,997.70 is: 41,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,779.10 : 71,570.10 = 27,997.70 : x
  2. Step 2: Convert to fraction form
    47,779.10/71,570.10 = 27,997.70/x
  3. Step 3: Cross multiply
    47,779.10x = 71,570.10 × 27,997.70
  4. Step 4: Simplify right side
    47,779.10x = 2,003,798,188.77
  5. Step 5: Solve for x
    x = 2,003,798,188.77/47,779.10
  6. Step 6: Final answer
    x = 41,938.80

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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.