Home / 33,154.79-49,702.19-12,089.90

Finding the Fourth Proportional to 33,154.79, 49,702.19 and 12,089.90

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Solution

The fourth proportional to 33,154.79, 49,702.19 and 12,089.90 is: 18,123.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,154.79 : 49,702.19 = 12,089.90 : x
  2. Step 2: Convert to fraction form
    33,154.79/49,702.19 = 12,089.90/x
  3. Step 3: Cross multiply
    33,154.79x = 49,702.19 × 12,089.90
  4. Step 4: Simplify right side
    33,154.79x = 600,894,506.88
  5. Step 5: Solve for x
    x = 600,894,506.88/33,154.79
  6. Step 6: Final answer
    x = 18,123.91

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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.