Home / 57,849.12-86,756.64-26,240.90

Finding the Fourth Proportional to 57,849.12, 86,756.64 and 26,240.90

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Solution

The fourth proportional to 57,849.12, 86,756.64 and 26,240.90 is: 39,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,849.12 : 86,756.64 = 26,240.90 : x
  2. Step 2: Convert to fraction form
    57,849.12/86,756.64 = 26,240.90/x
  3. Step 3: Cross multiply
    57,849.12x = 86,756.64 × 26,240.90
  4. Step 4: Simplify right side
    57,849.12x = 2,276,571,880.79
  5. Step 5: Solve for x
    x = 2,276,571,880.79/57,849.12
  6. Step 6: Final answer
    x = 39,353.61

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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.