Home / 53,508.52-80,268.09-19,783.38

Finding the Fourth Proportional to 53,508.52, 80,268.09 and 19,783.38

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Solution

The fourth proportional to 53,508.52, 80,268.09 and 19,783.38 is: 29,677.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,508.52 : 80,268.09 = 19,783.38 : x
  2. Step 2: Convert to fraction form
    53,508.52/80,268.09 = 19,783.38/x
  3. Step 3: Cross multiply
    53,508.52x = 80,268.09 × 19,783.38
  4. Step 4: Simplify right side
    53,508.52x = 1,587,974,126.34
  5. Step 5: Solve for x
    x = 1,587,974,126.34/53,508.52
  6. Step 6: Final answer
    x = 29,677.03

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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.