Home / 57,507.21-86,264.42-18,065.79

Finding the Fourth Proportional to 57,507.21, 86,264.42 and 18,065.79

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Solution

The fourth proportional to 57,507.21, 86,264.42 and 18,065.79 is: 27,099.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,507.21 : 86,264.42 = 18,065.79 : x
  2. Step 2: Convert to fraction form
    57,507.21/86,264.42 = 18,065.79/x
  3. Step 3: Cross multiply
    57,507.21x = 86,264.42 × 18,065.79
  4. Step 4: Simplify right side
    57,507.21x = 1,558,434,805.86
  5. Step 5: Solve for x
    x = 1,558,434,805.86/57,507.21
  6. Step 6: Final answer
    x = 27,099.82

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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.