Home / 53,169-79,899.99-28,227.73

Finding the Fourth Proportional to 53,169, 79,899.99 and 28,227.73

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Solution

The fourth proportional to 53,169, 79,899.99 and 28,227.73 is: 42,419.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,169 : 79,899.99 = 28,227.73 : x
  2. Step 2: Convert to fraction form
    53,169/79,899.99 = 28,227.73/x
  3. Step 3: Cross multiply
    53,169x = 79,899.99 × 28,227.73
  4. Step 4: Simplify right side
    53,169x = 2,255,395,344.72
  5. Step 5: Solve for x
    x = 2,255,395,344.72/53,169
  6. Step 6: Final answer
    x = 42,419.37

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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.