Home / 51,390.74-77,099.38-15,851.26

Finding the Fourth Proportional to 51,390.74, 77,099.38 and 15,851.26

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Solution

The fourth proportional to 51,390.74, 77,099.38 and 15,851.26 is: 23,780.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,390.74 : 77,099.38 = 15,851.26 : x
  2. Step 2: Convert to fraction form
    51,390.74/77,099.38 = 15,851.26/x
  3. Step 3: Cross multiply
    51,390.74x = 77,099.38 × 15,851.26
  4. Step 4: Simplify right side
    51,390.74x = 1,222,122,318.22
  5. Step 5: Solve for x
    x = 1,222,122,318.22/51,390.74
  6. Step 6: Final answer
    x = 23,780.98

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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.