Home / 51,372.26-77,074.86-21,814.98

Finding the Fourth Proportional to 51,372.26, 77,074.86 and 21,814.98

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Solution

The fourth proportional to 51,372.26, 77,074.86 and 21,814.98 is: 32,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,372.26 : 77,074.86 = 21,814.98 : x
  2. Step 2: Convert to fraction form
    51,372.26/77,074.86 = 21,814.98/x
  3. Step 3: Cross multiply
    51,372.26x = 77,074.86 × 21,814.98
  4. Step 4: Simplify right side
    51,372.26x = 1,681,386,529.40
  5. Step 5: Solve for x
    x = 1,681,386,529.40/51,372.26
  6. Step 6: Final answer
    x = 32,729.46

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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.