Home / 57,621.08-86,444.32-17,640.37

Finding the Fourth Proportional to 57,621.08, 86,444.32 and 17,640.37

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Solution

The fourth proportional to 57,621.08, 86,444.32 and 17,640.37 is: 26,464.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,621.08 : 86,444.32 = 17,640.37 : x
  2. Step 2: Convert to fraction form
    57,621.08/86,444.32 = 17,640.37/x
  3. Step 3: Cross multiply
    57,621.08x = 86,444.32 × 17,640.37
  4. Step 4: Simplify right side
    57,621.08x = 1,524,909,777.07
  5. Step 5: Solve for x
    x = 1,524,909,777.07/57,621.08
  6. Step 6: Final answer
    x = 26,464.44

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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.