Home / 36,277.40-54,396.76-12,578.91

Finding the Fourth Proportional to 36,277.40, 54,396.76 and 12,578.91

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Solution

The fourth proportional to 36,277.40, 54,396.76 and 12,578.91 is: 18,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,277.40 : 54,396.76 = 12,578.91 : x
  2. Step 2: Convert to fraction form
    36,277.40/54,396.76 = 12,578.91/x
  3. Step 3: Cross multiply
    36,277.40x = 54,396.76 × 12,578.91
  4. Step 4: Simplify right side
    36,277.40x = 684,251,948.33
  5. Step 5: Solve for x
    x = 684,251,948.33/36,277.40
  6. Step 6: Final answer
    x = 18,861.66

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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.