Home / 57,786.84-86,749.38-34,424.28

Finding the Fourth Proportional to 57,786.84, 86,749.38 and 34,424.28

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Solution

The fourth proportional to 57,786.84, 86,749.38 and 34,424.28 is: 51,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,786.84 : 86,749.38 = 34,424.28 : x
  2. Step 2: Convert to fraction form
    57,786.84/86,749.38 = 34,424.28/x
  3. Step 3: Cross multiply
    57,786.84x = 86,749.38 × 34,424.28
  4. Step 4: Simplify right side
    57,786.84x = 2,986,284,946.95
  5. Step 5: Solve for x
    x = 2,986,284,946.95/57,786.84
  6. Step 6: Final answer
    x = 51,677.60

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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.