Home / 57,883.21-86,823.90-18,440.06

Finding the Fourth Proportional to 57,883.21, 86,823.90 and 18,440.06

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Solution

The fourth proportional to 57,883.21, 86,823.90 and 18,440.06 is: 27,659.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,883.21 : 86,823.90 = 18,440.06 : x
  2. Step 2: Convert to fraction form
    57,883.21/86,823.90 = 18,440.06/x
  3. Step 3: Cross multiply
    57,883.21x = 86,823.90 × 18,440.06
  4. Step 4: Simplify right side
    57,883.21x = 1,601,037,491.31
  5. Step 5: Solve for x
    x = 1,601,037,491.31/57,883.21
  6. Step 6: Final answer
    x = 27,659.79

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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.