Home / 61,982.20-92,973.30-39,820.60

Finding the Fourth Proportional to 61,982.20, 92,973.30 and 39,820.60

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Solution

The fourth proportional to 61,982.20, 92,973.30 and 39,820.60 is: 59,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,982.20 : 92,973.30 = 39,820.60 : x
  2. Step 2: Convert to fraction form
    61,982.20/92,973.30 = 39,820.60/x
  3. Step 3: Cross multiply
    61,982.20x = 92,973.30 × 39,820.60
  4. Step 4: Simplify right side
    61,982.20x = 3,702,252,589.98
  5. Step 5: Solve for x
    x = 3,702,252,589.98/61,982.20
  6. Step 6: Final answer
    x = 59,730.90

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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.