Home / 34,289.79-51,438.80-12,098.58

Finding the Fourth Proportional to 34,289.79, 51,438.80 and 12,098.58

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Solution

The fourth proportional to 34,289.79, 51,438.80 and 12,098.58 is: 18,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,289.79 : 51,438.80 = 12,098.58 : x
  2. Step 2: Convert to fraction form
    34,289.79/51,438.80 = 12,098.58/x
  3. Step 3: Cross multiply
    34,289.79x = 51,438.80 × 12,098.58
  4. Step 4: Simplify right side
    34,289.79x = 622,336,376.41
  5. Step 5: Solve for x
    x = 622,336,376.41/34,289.79
  6. Step 6: Final answer
    x = 18,149.32

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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.