Home / 51,926.46-77,922.81-18,645.81

Finding the Fourth Proportional to 51,926.46, 77,922.81 and 18,645.81

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Solution

The fourth proportional to 51,926.46, 77,922.81 and 18,645.81 is: 27,980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,926.46 : 77,922.81 = 18,645.81 : x
  2. Step 2: Convert to fraction form
    51,926.46/77,922.81 = 18,645.81/x
  3. Step 3: Cross multiply
    51,926.46x = 77,922.81 × 18,645.81
  4. Step 4: Simplify right side
    51,926.46x = 1,452,933,909.93
  5. Step 5: Solve for x
    x = 1,452,933,909.93/51,926.46
  6. Step 6: Final answer
    x = 27,980.61

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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.