Home / 60,664.20-91,000.35-20,682.60

Finding the Fourth Proportional to 60,664.20, 91,000.35 and 20,682.60

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Solution

The fourth proportional to 60,664.20, 91,000.35 and 20,682.60 is: 31,025.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,664.20 : 91,000.35 = 20,682.60 : x
  2. Step 2: Convert to fraction form
    60,664.20/91,000.35 = 20,682.60/x
  3. Step 3: Cross multiply
    60,664.20x = 91,000.35 × 20,682.60
  4. Step 4: Simplify right side
    60,664.20x = 1,882,123,838.91
  5. Step 5: Solve for x
    x = 1,882,123,838.91/60,664.20
  6. Step 6: Final answer
    x = 31,025.28

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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.