Home / 29,025.60-40,046.40-18,800.43

Finding the Fourth Proportional to 29,025.60, 40,046.40 and 18,800.43

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Solution

The fourth proportional to 29,025.60, 40,046.40 and 18,800.43 is: 25,938.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,025.60 : 40,046.40 = 18,800.43 : x
  2. Step 2: Convert to fraction form
    29,025.60/40,046.40 = 18,800.43/x
  3. Step 3: Cross multiply
    29,025.60x = 40,046.40 × 18,800.43
  4. Step 4: Simplify right side
    29,025.60x = 752,889,539.95
  5. Step 5: Solve for x
    x = 752,889,539.95/29,025.60
  6. Step 6: Final answer
    x = 25,938.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.