Home / 57,709.95-86,556.26-18,261.95

Finding the Fourth Proportional to 57,709.95, 86,556.26 and 18,261.95

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Solution

The fourth proportional to 57,709.95, 86,556.26 and 18,261.95 is: 27,390.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,709.95 : 86,556.26 = 18,261.95 : x
  2. Step 2: Convert to fraction form
    57,709.95/86,556.26 = 18,261.95/x
  3. Step 3: Cross multiply
    57,709.95x = 86,556.26 × 18,261.95
  4. Step 4: Simplify right side
    57,709.95x = 1,580,685,568.22
  5. Step 5: Solve for x
    x = 1,580,685,568.22/57,709.95
  6. Step 6: Final answer
    x = 27,390.17

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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.