Home / 57,390.86-86,087.83-17,947.98

Finding the Fourth Proportional to 57,390.86, 86,087.83 and 17,947.98

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Solution

The fourth proportional to 57,390.86, 86,087.83 and 17,947.98 is: 26,922.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,390.86 : 86,087.83 = 17,947.98 : x
  2. Step 2: Convert to fraction form
    57,390.86/86,087.83 = 17,947.98/x
  3. Step 3: Cross multiply
    57,390.86x = 86,087.83 × 17,947.98
  4. Step 4: Simplify right side
    57,390.86x = 1,545,102,220.64
  5. Step 5: Solve for x
    x = 1,545,102,220.64/57,390.86
  6. Step 6: Final answer
    x = 26,922.44

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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.