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Finding the Fourth Proportional to 35,087.80, 48,419.10 and 19,169.08

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Solution

The fourth proportional to 35,087.80, 48,419.10 and 19,169.08 is: 26,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,087.80 : 48,419.10 = 19,169.08 : x
  2. Step 2: Convert to fraction form
    35,087.80/48,419.10 = 19,169.08/x
  3. Step 3: Cross multiply
    35,087.80x = 48,419.10 × 19,169.08
  4. Step 4: Simplify right side
    35,087.80x = 928,149,601.43
  5. Step 5: Solve for x
    x = 928,149,601.43/35,087.80
  6. Step 6: Final answer
    x = 26,452.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.