Home / 51,505.93-71,072.31-28,841.77

Finding the Fourth Proportional to 51,505.93, 71,072.31 and 28,841.77

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Solution

The fourth proportional to 51,505.93, 71,072.31 and 28,841.77 is: 39,798.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,505.93 : 71,072.31 = 28,841.77 : x
  2. Step 2: Convert to fraction form
    51,505.93/71,072.31 = 28,841.77/x
  3. Step 3: Cross multiply
    51,505.93x = 71,072.31 × 28,841.77
  4. Step 4: Simplify right side
    51,505.93x = 2,049,851,218.39
  5. Step 5: Solve for x
    x = 2,049,851,218.39/51,505.93
  6. Step 6: Final answer
    x = 39,798.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.