Home / 36,169.90-49,915.12-20,254.62

Finding the Fourth Proportional to 36,169.90, 49,915.12 and 20,254.62

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Solution

The fourth proportional to 36,169.90, 49,915.12 and 20,254.62 is: 27,951.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,169.90 : 49,915.12 = 20,254.62 : x
  2. Step 2: Convert to fraction form
    36,169.90/49,915.12 = 20,254.62/x
  3. Step 3: Cross multiply
    36,169.90x = 49,915.12 × 20,254.62
  4. Step 4: Simplify right side
    36,169.90x = 1,011,011,787.85
  5. Step 5: Solve for x
    x = 1,011,011,787.85/36,169.90
  6. Step 6: Final answer
    x = 27,951.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.