Home / 51,412.53-77,090.14-15,863.76

Finding the Fourth Proportional to 51,412.53, 77,090.14 and 15,863.76

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Solution

The fourth proportional to 51,412.53, 77,090.14 and 15,863.76 is: 23,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,412.53 : 77,090.14 = 15,863.76 : x
  2. Step 2: Convert to fraction form
    51,412.53/77,090.14 = 15,863.76/x
  3. Step 3: Cross multiply
    51,412.53x = 77,090.14 × 15,863.76
  4. Step 4: Simplify right side
    51,412.53x = 1,222,939,479.33
  5. Step 5: Solve for x
    x = 1,222,939,479.33/51,412.53
  6. Step 6: Final answer
    x = 23,786.80

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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.