Home / 45,826.20-68,739.30-38,043.80

Finding the Fourth Proportional to 45,826.20, 68,739.30 and 38,043.80

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Solution

The fourth proportional to 45,826.20, 68,739.30 and 38,043.80 is: 57,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,826.20 : 68,739.30 = 38,043.80 : x
  2. Step 2: Convert to fraction form
    45,826.20/68,739.30 = 38,043.80/x
  3. Step 3: Cross multiply
    45,826.20x = 68,739.30 × 38,043.80
  4. Step 4: Simplify right side
    45,826.20x = 2,615,104,181.34
  5. Step 5: Solve for x
    x = 2,615,104,181.34/45,826.20
  6. Step 6: Final answer
    x = 57,065.70

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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.