Home / 40,968.60-61,452.90-13,266.60

Finding the Fourth Proportional to 40,968.60, 61,452.90 and 13,266.60

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Solution

The fourth proportional to 40,968.60, 61,452.90 and 13,266.60 is: 19,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,968.60 : 61,452.90 = 13,266.60 : x
  2. Step 2: Convert to fraction form
    40,968.60/61,452.90 = 13,266.60/x
  3. Step 3: Cross multiply
    40,968.60x = 61,452.90 × 13,266.60
  4. Step 4: Simplify right side
    40,968.60x = 815,271,043.14
  5. Step 5: Solve for x
    x = 815,271,043.14/40,968.60
  6. Step 6: Final answer
    x = 19,899.90

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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.