Home / 40,979.25-61,478.60-13,277.25

Finding the Fourth Proportional to 40,979.25, 61,478.60 and 13,277.25

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Solution

The fourth proportional to 40,979.25, 61,478.60 and 13,277.25 is: 19,919.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,979.25 : 61,478.60 = 13,277.25 : x
  2. Step 2: Convert to fraction form
    40,979.25/61,478.60 = 13,277.25/x
  3. Step 3: Cross multiply
    40,979.25x = 61,478.60 × 13,277.25
  4. Step 4: Simplify right side
    40,979.25x = 816,266,675.46
  5. Step 5: Solve for x
    x = 816,266,675.46/40,979.25
  6. Step 6: Final answer
    x = 19,919.02

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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.