Home / 51,699.96-77,579.10-20,537.64

Finding the Fourth Proportional to 51,699.96, 77,579.10 and 20,537.64

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Solution

The fourth proportional to 51,699.96, 77,579.10 and 20,537.64 is: 30,818.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,699.96 : 77,579.10 = 20,537.64 : x
  2. Step 2: Convert to fraction form
    51,699.96/77,579.10 = 20,537.64/x
  3. Step 3: Cross multiply
    51,699.96x = 77,579.10 × 20,537.64
  4. Step 4: Simplify right side
    51,699.96x = 1,593,291,627.32
  5. Step 5: Solve for x
    x = 1,593,291,627.32/51,699.96
  6. Step 6: Final answer
    x = 30,818.04

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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.