Home / 61,048.98-91,539.86-18,917.37

Finding the Fourth Proportional to 61,048.98, 91,539.86 and 18,917.37

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Solution

The fourth proportional to 61,048.98, 91,539.86 and 18,917.37 is: 28,365.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,048.98 : 91,539.86 = 18,917.37 : x
  2. Step 2: Convert to fraction form
    61,048.98/91,539.86 = 18,917.37/x
  3. Step 3: Cross multiply
    61,048.98x = 91,539.86 × 18,917.37
  4. Step 4: Simplify right side
    61,048.98x = 1,731,693,306.78
  5. Step 5: Solve for x
    x = 1,731,693,306.78/61,048.98
  6. Step 6: Final answer
    x = 28,365.64

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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.