Home / 61,049.98-91,541.35-18,918.37

Finding the Fourth Proportional to 61,049.98, 91,541.35 and 18,918.37

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Solution

The fourth proportional to 61,049.98, 91,541.35 and 18,918.37 is: 28,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,049.98 : 91,541.35 = 18,918.37 : x
  2. Step 2: Convert to fraction form
    61,049.98/91,541.35 = 18,918.37/x
  3. Step 3: Cross multiply
    61,049.98x = 91,541.35 × 18,918.37
  4. Step 4: Simplify right side
    61,049.98x = 1,731,813,129.60
  5. Step 5: Solve for x
    x = 1,731,813,129.60/61,049.98
  6. Step 6: Final answer
    x = 28,367.14

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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.