Home / 55,511.10-83,266.65-25,986.60

Finding the Fourth Proportional to 55,511.10, 83,266.65 and 25,986.60

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Solution

The fourth proportional to 55,511.10, 83,266.65 and 25,986.60 is: 38,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,511.10 : 83,266.65 = 25,986.60 : x
  2. Step 2: Convert to fraction form
    55,511.10/83,266.65 = 25,986.60/x
  3. Step 3: Cross multiply
    55,511.10x = 83,266.65 × 25,986.60
  4. Step 4: Simplify right side
    55,511.10x = 2,163,817,126.89
  5. Step 5: Solve for x
    x = 2,163,817,126.89/55,511.10
  6. Step 6: Final answer
    x = 38,979.90

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Similar ratio
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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.