Home / 61,829.28-92,738.88-20,272.32

Finding the Fourth Proportional to 61,829.28, 92,738.88 and 20,272.32

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Solution

The fourth proportional to 61,829.28, 92,738.88 and 20,272.32 is: 30,406.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,829.28 : 92,738.88 = 20,272.32 : x
  2. Step 2: Convert to fraction form
    61,829.28/92,738.88 = 20,272.32/x
  3. Step 3: Cross multiply
    61,829.28x = 92,738.88 × 20,272.32
  4. Step 4: Simplify right side
    61,829.28x = 1,880,032,251.80
  5. Step 5: Solve for x
    x = 1,880,032,251.80/61,829.28
  6. Step 6: Final answer
    x = 30,406.83

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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.