Home / 51,812.26-77,720.40-16,297.80

Finding the Fourth Proportional to 51,812.26, 77,720.40 and 16,297.80

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Solution

The fourth proportional to 51,812.26, 77,720.40 and 16,297.80 is: 24,447.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,812.26 : 77,720.40 = 16,297.80 : x
  2. Step 2: Convert to fraction form
    51,812.26/77,720.40 = 16,297.80/x
  3. Step 3: Cross multiply
    51,812.26x = 77,720.40 × 16,297.80
  4. Step 4: Simplify right side
    51,812.26x = 1,266,671,535.12
  5. Step 5: Solve for x
    x = 1,266,671,535.12/51,812.26
  6. Step 6: Final answer
    x = 24,447.33

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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.