Home / 36,213.99-54,329.16-12,840.42

Finding the Fourth Proportional to 36,213.99, 54,329.16 and 12,840.42

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Solution

The fourth proportional to 36,213.99, 54,329.16 and 12,840.42 is: 19,263.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,213.99 : 54,329.16 = 12,840.42 : x
  2. Step 2: Convert to fraction form
    36,213.99/54,329.16 = 12,840.42/x
  3. Step 3: Cross multiply
    36,213.99x = 54,329.16 × 12,840.42
  4. Step 4: Simplify right side
    36,213.99x = 697,609,484.53
  5. Step 5: Solve for x
    x = 697,609,484.53/36,213.99
  6. Step 6: Final answer
    x = 19,263.54

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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.