Home / 40,509.40-60,735.30-15,539.80

Finding the Fourth Proportional to 40,509.40, 60,735.30 and 15,539.80

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Solution

The fourth proportional to 40,509.40, 60,735.30 and 15,539.80 is: 23,298.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,509.40 : 60,735.30 = 15,539.80 : x
  2. Step 2: Convert to fraction form
    40,509.40/60,735.30 = 15,539.80/x
  3. Step 3: Cross multiply
    40,509.40x = 60,735.30 × 15,539.80
  4. Step 4: Simplify right side
    40,509.40x = 943,814,414.94
  5. Step 5: Solve for x
    x = 943,814,414.94/40,509.40
  6. Step 6: Final answer
    x = 23,298.65

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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.