Home / 53,122.75-79,692.78-15,686.61

Finding the Fourth Proportional to 53,122.75, 79,692.78 and 15,686.61

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Solution

The fourth proportional to 53,122.75, 79,692.78 and 15,686.61 is: 23,532.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,122.75 : 79,692.78 = 15,686.61 : x
  2. Step 2: Convert to fraction form
    53,122.75/79,692.78 = 15,686.61/x
  3. Step 3: Cross multiply
    53,122.75x = 79,692.78 × 15,686.61
  4. Step 4: Simplify right side
    53,122.75x = 1,250,109,679.69
  5. Step 5: Solve for x
    x = 1,250,109,679.69/53,122.75
  6. Step 6: Final answer
    x = 23,532.47

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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.