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Finding the Fourth Proportional to 34,645.60, 51,968.40 and 17,149.60

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Solution

The fourth proportional to 34,645.60, 51,968.40 and 17,149.60 is: 25,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,645.60 : 51,968.40 = 17,149.60 : x
  2. Step 2: Convert to fraction form
    34,645.60/51,968.40 = 17,149.60/x
  3. Step 3: Cross multiply
    34,645.60x = 51,968.40 × 17,149.60
  4. Step 4: Simplify right side
    34,645.60x = 891,237,272.64
  5. Step 5: Solve for x
    x = 891,237,272.64/34,645.60
  6. Step 6: Final answer
    x = 25,724.40

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1.5x scale

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.