Home / 19,840.50-29,761.95-5,989.62

Finding the Fourth Proportional to 19,840.50, 29,761.95 and 5,989.62

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Solution

The fourth proportional to 19,840.50, 29,761.95 and 5,989.62 is: 8,984.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.50 : 29,761.95 = 5,989.62 : x
  2. Step 2: Convert to fraction form
    19,840.50/29,761.95 = 5,989.62/x
  3. Step 3: Cross multiply
    19,840.50x = 29,761.95 × 5,989.62
  4. Step 4: Simplify right side
    19,840.50x = 178,262,770.96
  5. Step 5: Solve for x
    x = 178,262,770.96/19,840.50
  6. Step 6: Final answer
    x = 8,984.79

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1.5x scale

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.