Home / 62,821.89-86,692.75-34,140.87

Finding the Fourth Proportional to 62,821.89, 86,692.75 and 34,140.87

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Solution

The fourth proportional to 62,821.89, 86,692.75 and 34,140.87 is: 47,113.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,821.89 : 86,692.75 = 34,140.87 : x
  2. Step 2: Convert to fraction form
    62,821.89/86,692.75 = 34,140.87/x
  3. Step 3: Cross multiply
    62,821.89x = 86,692.75 × 34,140.87
  4. Step 4: Simplify right side
    62,821.89x = 2,959,765,822.34
  5. Step 5: Solve for x
    x = 2,959,765,822.34/62,821.89
  6. Step 6: Final answer
    x = 47,113.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.