Home / 34,288.44-51,432.78-12,089.76

Finding the Fourth Proportional to 34,288.44, 51,432.78 and 12,089.76

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Solution

The fourth proportional to 34,288.44, 51,432.78 and 12,089.76 is: 18,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,288.44 : 51,432.78 = 12,089.76 : x
  2. Step 2: Convert to fraction form
    34,288.44/51,432.78 = 12,089.76/x
  3. Step 3: Cross multiply
    34,288.44x = 51,432.78 × 12,089.76
  4. Step 4: Simplify right side
    34,288.44x = 621,809,966.33
  5. Step 5: Solve for x
    x = 621,809,966.33/34,288.44
  6. Step 6: Final answer
    x = 18,134.68

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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.