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Finding the Fourth Proportional to 35,072.40, 52,608.60 and 8,777.10

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Solution

The fourth proportional to 35,072.40, 52,608.60 and 8,777.10 is: 13,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,072.40 : 52,608.60 = 8,777.10 : x
  2. Step 2: Convert to fraction form
    35,072.40/52,608.60 = 8,777.10/x
  3. Step 3: Cross multiply
    35,072.40x = 52,608.60 × 8,777.10
  4. Step 4: Simplify right side
    35,072.40x = 461,750,943.06
  5. Step 5: Solve for x
    x = 461,750,943.06/35,072.40
  6. Step 6: Final answer
    x = 13,165.65

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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.