Home / 51,355.52-77,037.60-18,072.08

Finding the Fourth Proportional to 51,355.52, 77,037.60 and 18,072.08

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Solution

The fourth proportional to 51,355.52, 77,037.60 and 18,072.08 is: 27,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,355.52 : 77,037.60 = 18,072.08 : x
  2. Step 2: Convert to fraction form
    51,355.52/77,037.60 = 18,072.08/x
  3. Step 3: Cross multiply
    51,355.52x = 77,037.60 × 18,072.08
  4. Step 4: Simplify right side
    51,355.52x = 1,392,229,670.21
  5. Step 5: Solve for x
    x = 1,392,229,670.21/51,355.52
  6. Step 6: Final answer
    x = 27,109.64

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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.