Home / 36,811.99-55,234.40-19,277.72

Finding the Fourth Proportional to 36,811.99, 55,234.40 and 19,277.72

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Solution

The fourth proportional to 36,811.99, 55,234.40 and 19,277.72 is: 28,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,811.99 : 55,234.40 = 19,277.72 : x
  2. Step 2: Convert to fraction form
    36,811.99/55,234.40 = 19,277.72/x
  3. Step 3: Cross multiply
    36,811.99x = 55,234.40 × 19,277.72
  4. Step 4: Simplify right side
    36,811.99x = 1,064,793,132.14
  5. Step 5: Solve for x
    x = 1,064,793,132.14/36,811.99
  6. Step 6: Final answer
    x = 28,925.17

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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.