Home / 59,739.88-89,586.78-20,287.72

Finding the Fourth Proportional to 59,739.88, 89,586.78 and 20,287.72

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Solution

The fourth proportional to 59,739.88, 89,586.78 and 20,287.72 is: 30,423.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,739.88 : 89,586.78 = 20,287.72 : x
  2. Step 2: Convert to fraction form
    59,739.88/89,586.78 = 20,287.72/x
  3. Step 3: Cross multiply
    59,739.88x = 89,586.78 × 20,287.72
  4. Step 4: Simplify right side
    59,739.88x = 1,817,511,508.34
  5. Step 5: Solve for x
    x = 1,817,511,508.34/59,739.88
  6. Step 6: Final answer
    x = 30,423.76

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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.