Home / 40,156.84-60,238.62-13,861.80

Finding the Fourth Proportional to 40,156.84, 60,238.62 and 13,861.80

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Solution

The fourth proportional to 40,156.84, 60,238.62 and 13,861.80 is: 20,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,156.84 : 60,238.62 = 13,861.80 : x
  2. Step 2: Convert to fraction form
    40,156.84/60,238.62 = 13,861.80/x
  3. Step 3: Cross multiply
    40,156.84x = 60,238.62 × 13,861.80
  4. Step 4: Simplify right side
    40,156.84x = 835,015,702.72
  5. Step 5: Solve for x
    x = 835,015,702.72/40,156.84
  6. Step 6: Final answer
    x = 20,793.86

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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.