Home / 57,739.08-86,611.08-18,295.32

Finding the Fourth Proportional to 57,739.08, 86,611.08 and 18,295.32

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Solution

The fourth proportional to 57,739.08, 86,611.08 and 18,295.32 is: 27,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,739.08 : 86,611.08 = 18,295.32 : x
  2. Step 2: Convert to fraction form
    57,739.08/86,611.08 = 18,295.32/x
  3. Step 3: Cross multiply
    57,739.08x = 86,611.08 × 18,295.32
  4. Step 4: Simplify right side
    57,739.08x = 1,584,577,424.15
  5. Step 5: Solve for x
    x = 1,584,577,424.15/57,739.08
  6. Step 6: Final answer
    x = 27,443.76

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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.