Home / 56,762.11-85,142.93-17,319.09

Finding the Fourth Proportional to 56,762.11, 85,142.93 and 17,319.09

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Solution

The fourth proportional to 56,762.11, 85,142.93 and 17,319.09 is: 25,978.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,762.11 : 85,142.93 = 17,319.09 : x
  2. Step 2: Convert to fraction form
    56,762.11/85,142.93 = 17,319.09/x
  3. Step 3: Cross multiply
    56,762.11x = 85,142.93 × 17,319.09
  4. Step 4: Simplify right side
    56,762.11x = 1,474,597,980.94
  5. Step 5: Solve for x
    x = 1,474,597,980.94/56,762.11
  6. Step 6: Final answer
    x = 25,978.56

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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.